Question

There are 560 students in a school.If the ratio of the boys are girls is 4:3,find their numbers.

Answer 1

320 / 240 = 4 / 3

Explanation:

4 / 7 = x / 560

Cross-multiply:

7x = 2240

Divide by 7:

x = 320

The school has 320 boys and 240 girls.

hope this helps

Answer 2

320 : 240

Explanation:

4 + 3 = 7

560 / 7 = 80

so 1 is 80

4 x 80 : 3 x 80

320 : 240