Respuesta :

brokenheart1

Answer: 150 boys

Step-by-step explanation:

3:7, the difference is 200.

Within the ratio, the difference is 4.

Thus, 200 ÷ 4 = 50.

Boys = 3 × 50 = 150

Girls = 7 × 50 = 350

The ratio is now 150:350, when simplified is 3:7.

There were 150 boys.