Answer:
In a class of 87 boys, there will be 29 girls.
Step-by-step explanation:
Givens
Ratio
25 girls
75 boys.
Class size = 87 boys
Proportion
25 girls /75 boys = x / Class Size
Solution
Class size = 87 boys
25/75 = x / 87 Multiply both sides by 87
25 * 87 / 75 = 87 x/ 87 Multiply 87 *25
2175 / 75 = x Divide by 75
29 = x
