Answer:
There are 15 boys.
Step-by-step explanation:
b = Boys
g = Girls
Set an Equation
b/g = 3/5
b + g = 40
Put 40 in for g
b/40 - b = 5b
Simplify
3 (40 - b) = 5b
Simplify
120 - 3b = 5b
Simplify
8b = 120
Simplify
4b = 60
Simplify
b = 15
Answer: 15 boys
Step-by-step explanation:
3 + 5 = 8
3/8*40 = 15
5/8*40=25
15:25
There are 15 boys.
