Question

The ratio of boys to girls in a class is $7:5$. If there are 42 boys, how many girls are there?

• A. 25
• B. 30
• C. 35
• D. 40

Hint:

To solve ratio problems quickly, ask: "What did I multiply the ratio number by to get the real number?" Since $7 \times 6 = 42$, just multiply the other side of the ratio by the same number: $5 \times 6 = 30$.

Answer 1

The Correct Option is B