Question

Darren runs 1/4 mile in 2.5 minutes.how long it will take him to run a full mile

Answer 1

Since he can run 1/4 of a mile in 2.5 minutes, he will run a full mile in 4*2.5 =10 minutes, assuming he runs at a steady speed.

Answer 2

10 minutes. since he runs 2.5min for a quarter mile, multiply 2.5 * 4 and that equals 10. So your answer is 10 minutes a mile