Answer:
280/(10+15) = 11.20. Xavier's rate per hour is $11.20
Step-by-step explanation:
idk sorry
85m
Perimeter of a rectangle = 2(l+b)
b=72m, l=?
perimeter =314m
314=2(l+72)
314/2= l+72
157=l+72
l=157-72
l=85m