Lee rides his bike 50 miles in the same time it takes him to drive 125 miles. If his driving rate is 30 mi/h faster than his rate biking, find each rate.
Please show how you arrived at the answer.
We can assume that his rate biking is x (mi/h). Then his driving rate is x+30, as his driving rate is 30 mi/h faster than his ...
This provides an example of solving a word problem that relates speeds to each other.