A) Garage A = 3x
Garage B = 2x + 2
b) 2x + 2 = 3x
x = 2
c) the solution, 2, means the number of hour which both garages would have the equal amount of cost. In this case, in 2 hours, they would be equal in cost.
The value after 14 year is 8750 dollar
You do 60 × 5 = 300, which should be the answer. We can double check this by doing 50 × 6 = 300. So the answer is 300
The answer for your question 186.