Question

Train #1 leaves san diego at 4pm. train #2 leaves san diego at 6pm.train #2 travels 42 mph faster than train #1. if train # 2 overtakes train #1 at 8pm, what is the speed of each train?

Answer 1

since distance = speed * time,
If train #1's speed is x,

4x = 2(x+42)

Answer 2

FOUR BEADS FOR 16 SENT I PAY 1 DOLLAR HOW MUCH DO I GET BACK