Question

-. The ratio of boys to girls at a birthday party is

4:5. If there are 35 girls, how many boys are
there?

Answer 1

28 boys

Explanation:

4*35=140

140/5=28

so 28 boys

Answer 2

28

Explanation:

The 5 part of the ratio represents 35 girls , then

35 ÷ 5 = 7 ← value of 1 part of the ratio, then

4 parts = 4 × 7 = 28 ← number of boys