Question

John ran three laps around his school Johns coach wrote the following notes describing Johns performance

•First time took him 5 minutes
•Second time took him 20% longer than the first
•Third time around he took 30% longer than the second time
Whats Johns total running time for the 3 laps?

Answer 1

18.8 minuites

Explanation:

20% of 5 is 1 so the second time is 6 and 30% of 6 is 1.8 so it will be

5+6+7.8=18.8