Answer:
Step-by-step explanation:
Adults = x, Children =y
3y=x
The correct answer will be 5z^3
y=17/5 ,x= 38
-4+5y =13 add 4 both side
4-4+5y=13+4
5y=17
5y/5=17/5 y=17/5
x-5y=21
x-5(17/5)=21
x-17=21
x=21+17= 38
23.3333333333...
10 x 7 = 70
70/3 = 23.333333333...
5ft
8/10=0.8
4/0.8=5