Question

A town has accumulated 3 inches of snow and the snow depth is increasing by 4 inches every hour. A nearby town has accumulated 9 inches of snow and the depth is increasing by 2 inches every hour. In about how many hours will the snow fall of each of the towns be equal? (round your answer to the nearest tenth)

Answer 1

You could do guess and check by replacing x with the same number in the equation tell there the same values with these equations y=2x+9 and y=4x+9 or you could graph the equations