Answer :
John: 6 problems in 20 minutes = 6/20 = 0.3 problem per minute
Juaquine: 1 problem in 4 minutes = 1/4 = 0.25 problem per minute
It looks like John wins the trophy.
Juaquine: 1 problem in 4 minutes = 1/4 = 0.25 problem per minute
It looks like John wins the trophy.