If `45% of A = 3/5 of B`, then A : B is

Options

A. 7 : 20
B. 20 : 7
C. 4 : 3
D. 3 : 4

Explanation

To solve the equation \( 45\% \text{ of } A = \frac{3}{5} \text{ of } B \) and find the ratio \( A : B \), we can follow these steps:

### Step 1: Convert the percentage to a fraction
First, we convert \( 45\% \) to a fraction:
\[ 45\% = \frac{45}{100} = \frac{9}{20} \]
So, we can rewrite the equation as:
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