Answer:
5
Step-by-step explanation:
11
220/x=100/5
(220/x)*x=(100/5)*x - we multiply both sides of the equation by x
220=20*x - we divide both sides of the equation by (20) to get x
220/20=x
11=x
x=11.
4300
h/10 + 2h/10
= 1290
3h/10 = 1290
3h = 12,900
h = 4300