Answer:
280 hours
Step-by-step explanation:
Amount paid + profit = cost of a lesson per hour
$2000 + $5000 = $25(h)
7000 = 25h
7000/25 = h
280 = h
You might want to see what other people say but I think that it is 40
Answer:
x=5, y=-4
Step-by-step explanation:
:)
Answer:
s = 11
Step-by-step explanation:
Given
=
( cross- multiply )
8(s - 2) = 72 ( divide both sides by 8 )
s - 2 = 9 ( add 2 to both sides )
s = 11