Question

Show an equation and a solution for the problem. At noon, a train leaves Bridgetown heading east at 90 mph to Cartertown. Another train leaves Bridgetown at 1:00 p.m., also heading east at 100 mph. In how many hours after the second train left will they pass each other?

Answer 1

9 hours

Answer 2

speed of first train = A speed of second train = B Extra amount of miles being covered by second train = E Amount of time taken to pass = T

B - A = E
T = A / E

Answer 3

so that will equal to

100 - 90 = 10
90 / 10 = 9 Hours = T