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

At 1 pm.

1 train= 90 miles
2 train=0

At 2pm
1 train= 180 miles
2 train= 100 miles

at 3 pm
1 train= 270 miles
2 train= 200

at 4 pm
1 train= 360
2 train= 300

at 5 pm
1 train= 450
2 train= 400

at 6 pm
1 train= 540
2 train= 500

at 7 pm
1 train= 630
2 train = 600

at 8 pm
1 train= 720
2 train= 700

at 9 pm
1 train= 810
2 train= 800

at 10 pm=
1 train= 900
2 train= 900