How fast did each of them go? How far did they ride?

Question

) Brody and Bear went for a bike ride. Brody rode his bike 5 km per hour faster than Bear did. It took 36 minutes and it took Bear 45 minutes. They rode the same distance. How fast did each of them go? How far did they ride?

Answer 1

d=rt

rx =5+ry

(36/60)rx= (45/60)(rx-5)

36rx = 45rx = -225

9rx =225

rx = 225/9 = 25 mph = Bear's speed

ry = 30 mph = Brody's speed

d= 25(36/60)= 25(6/10)= 15 miles for each