问题


There is a single choice question about elementary mathematics. Answer the question by replying A, B, C or D.
Question: Which ratio can form a proportion with 3 over 8?
A. 18 over 40
B. 18 over 56
C. 24 over 64
D. 15 over 48
Answer:

答案

模型 模型答案 正确答案
金声玉亮2.0

C. 24 over 64
C
deepseekr1

The question asks which ratio is equivalent to 3/8. To determine this, we check if cross products are equal. For each option:

- **A (18/40)**: \(3 \times 40 = 120\), \(8 \times 18 = 144\). Not equal. ❌
- **B (18/56)**: \(3 \times 56 = 168\), \(8 \times 18 = 144\). Not equal. ❌
- **C (24/64)**: \(3 \times 64 = 192\), \(8 \times 24 = 192\). Equal. Simplifying \(24/64\) by dividing numerator and denominator by 8 also gives \(3/8\). ✅
- **D (15/48)**: \(3 \times 48 = 144\), \(8 \times 15 = 120\). Not equal. ❌

Only **C** forms a proportion with \(3/8\).

Answer: C
C
gpto1 C C
GPT-4o To determine which ratio can form a proportion with \( \frac{3}{8} \), we need to find the ratio that is equivalent to \( \frac{3}{8} \).

Let's check each option:

A. \( \frac{18}{40} \)
\[
\frac{18}{40} = \frac{18 \div 2}{40 \div 2} = \frac{9}{20}
\]

B. \( \frac{18}{56} \)
\[
\frac{18}{56} = \frac{18 \div 2}{56 \div 2} = \frac{9}{28}
\]

C. \( \frac{24}{64} \)
\[
\frac{24}{64} = \frac{24 \div 8}{64 \div 8} = \frac{3}{8}
\]

D. \( \frac{15}{48} \)
\[
\frac{15}{48} = \frac{15 \div 3}{48 \div 3} = \frac{5}{16}
\]

The correct answer is C. \( \frac{24}{64} \).

Answer: C
C
llama3.1-70B-Instruct

To form a proportion with 3 over 8, the ratio must be equivalent to 3/8. Let's analyze each option:

A. 18 over 40 = 9/20 (not equivalent to 3/8)
B. 18 over 56 = 9/28 (not equivalent to 3/8)
C. 24 over 64 = 3/8 (equivalent to 3/8)
D. 15 over 48 = 5/16 (not equivalent to 3/8)

So, the correct answer is C. 24 over 64.
C
llama3.1-405B-Instruct

C. 24 over 64
C
DeepSeek-Coder-V2 To determine which ratio can form a proportion with 3 over 8, we need to check if the ratios given in options A, B, C, and D are equivalent to 3/8. This can be done by simplifying each ratio to see if it matches 3/8.

Let's simplify each option:

A. 18 over 40:
Simplify 18/40 by dividing both the numerator and the denominator by their greatest common divisor, which is 2:
18 ÷ 2 = 9
40 ÷ 2 = 20
So, 18/40 simplifies to 9/20, which is not equal to 3/8.

B. 18 over 56:
Simplify 18/56 by dividing both the numerator and the denominator by their greatest common divisor, which is 2:
18 ÷ 2 = 9
56 ÷ 2 = 28
So, 18/56 simplifies to 9/28, which is not equal to 3/8.

C. 24 over 64:
Simplify 24/64 by dividing both the numerator and the denominator by their greatest common divisor, which is 8:
24 ÷ 8 = 3
64 ÷ 8 = 8
So, 24/64 simplifies to 3/8, which is equal to 3/8.

D. 15 over 48:
Simplify 15/48 by dividing both the numerator and the denominator by their greatest common divisor, which is 3:
15 ÷ 3 = 5
48 ÷ 3 = 16
So, 15/48 simplifies to 5/16, which is not equal to 3/8.

Based on the simplifications, the correct answer is C. 24 over 64.

Answer: C
C
Qwen2-72B-Instruct B. 18 over 56 C
baichuan4 A. 18 over 40 C
doubao C. 24 over 64. To determine if two ratios form a proportion, we can cross-multiply. For 3/8 and 24/64, 3×64 = 192 and 8×24 = 192, so they form a proportion. C
minimax To determine which ratio can form a proportion with 3 over 8, we need to find a ratio that is equivalent when both ratios are simplified.

First, let's simplify the given ratio 3 over 8 by dividing both the numerator and the denominator by their greatest common divisor, which is 1 in this case. So, the ratio 3/8 is already in its simplest form.

Now, we need to check each option to see if any of them can be simplified to the same ratio as 3/8:

A. 18 over 40 can be simplified by dividing both the numerator and the denominator by 2:
18 ÷ 2 = 9
40 ÷ 2 = 20
So, 18/40 simplifies to 9/20, which is not equivalent to 3/8.

B. 18 over 56 can be simplified by dividing both the numerator and the denominator by 2:
18 ÷ 2 = 9
56 ÷ 2 = 28
So, 18/56 simplifies to 9/28, which is not equivalent to 3/8.

C. 24 over 64 can be simplified by dividing both the numerator and the denominator by 8:
24 ÷ 8 = 3
64 ÷ 8 = 8
So, 24/64 simplifies to 3/8, which is equivalent to the given ratio.

D. 15 over 48 can be simplified by dividing both the numerator and the denominator by 3:
15 ÷ 3 = 5
48 ÷ 3 = 16
So, 15/48 simplifies to 5/16, which is not equivalent to 3/8.

The correct answer is the one that simplifies to 3/8, which is option C.
C
kimi To determine which ratio can form a proportion with 3 over 8, we need to find which of the given ratios is equivalent to 3/8. A proportion is formed when two ratios are equal.

First, let's simplify the ratio 3/8. The greatest common divisor (GCD) of 3 and 8 is 1, so the ratio is already in its simplest form.

Now, let's simplify each of the given options:

A. 18/40: The GCD of 18 and 40 is 2, so the simplified ratio is (18/2) / (40/2) = 9/20.

B. 18/56: The GCD of 18 and 56 is 2, so the simplified ratio is (18/2) / (56/2) = 9/28.

C. 24/64: The GCD of 24 and 64 is 8, so the simplified ratio is (24/8) / (64/8) = 3/8.

D. 15/48: The GCD of 15 and 48 is 3, so the simplified ratio is (15/3) / (48/3) = 5/16.

Now, we compare each simplified ratio to 3/8:

A. 9/20 is not equal to 3/8.
B. 9/28 is not equal to 3/8.
C. 3/8 is equal to 3/8.
D. 5/16 is not equal to 3/8.

The ratio that can form a proportion with 3/8 is 3/8.

Answer: C. 24 over 64
C
wenxinyiyan C

Explanation:

Two ratios are said to be in proportion if their cross products are equal. That means, if a/b = c/d, then a*d = b*c.

Given ratio is 3/8. We need to find which option can form a proportion with 3/8.

A. 18/40

Cross product: 3*40 = 120 and 8*18 = 144. Since 120 ≠ 144, this ratio does not form a proportion with 3/8.

B. 18/56

Cross product: 3*56 = 168 and 8*18 = 144. Since 168 ≠ 144, this ratio does not form a proportion with 3/8.

C. 24/64

Cross product: 3*64 = 192 and 8*24 = 192. Since both cross products are equal, this ratio forms a proportion with 3/8.

D. 15/48

Cross product: 3*48 = 144 and 8*15 = 120. Since 144 ≠ 120, this ratio does not form a proportion with 3/8.

Therefore, the correct answer is C. 24/64.
C
zhipu To determine which ratio can form a proportion with \( \frac{3}{8} \), we need to find a ratio that is equivalent to \( \frac{3}{8} \). This means that the cross products of the two ratios should be equal.

Let's check each option:

A. \( \frac{18}{40} \)
\[ 3 \times 40 = 120 \]
\[ 8 \times 18 = 144 \]
Since \( 120 \neq 144 \), \( \frac{18}{40} \) is not equivalent to \( \frac{3}{8} \).

B. \( \frac{18}{56} \)
\[ 3 \times 56 = 168 \]
\[ 8 \times 18 = 144 \]
Since \( 168 \neq 144 \), \( \frac{18}{56} \) is not equivalent to \( \frac{3}{8} \).

C. \( \frac{24}{64} \)
\[ 3 \times 64 = 192 \]
\[ 8 \times 24 = 192 \]
Since \( 192 = 192 \), \( \frac{24}{64} \) is equivalent to \( \frac{3}{8} \).

D. \( \frac{15}{48} \)
\[ 3 \times 48 = 144 \]
\[ 8 \times 15 = 120 \]
Since \( 144 \neq 120 \), \( \frac{15}{48} \) is not equivalent to \( \frac{3}{8} \).

Therefore, the correct answer is:
C. \( \frac{24}{64} \)
C
gpto1 C C
deepseekv3 To determine which ratio can form a proportion with \( \frac{3}{8} \), we need to check if the cross-products of the ratios are equal. Let's evaluate each option:

**Option A: \( \frac{18}{40} \)**
\[
3 \times 40 = 120 \quad \text{and} \quad 8 \times 18 = 144
\]
Since \( 120 \neq 144 \), this is not a proportion.

**Option B: \( \frac{18}{56} \)**
\[
3 \times 56 = 168 \quad \text{and} \quad 8 \times 18 = 144
\]
Since \( 168 \neq 144 \), this is not a proportion.

**Option C: \( \frac{24}{64} \)**
\[
3 \times 64 = 192 \quad \text{and} \quad 8 \times 24 = 192
\]
Since \( 192 = 192 \), this is a proportion.

**Option D: \( \frac{15}{48} \)**
\[
3 \times 48 = 144 \quad \text{and} \quad 8 \times 15 = 120
\]
Since \( 144 \neq 120 \), this is not a proportion.

Therefore, the correct answer is:

**C**
C