Question

one math student John can solve these 6 problems in 20 minutes while another student, juaquine can solve them at a rate of 1 problem per minutes. Who works faster?

Answer 1

6 / 20 and 1 / 1 <=>
6 / 20 and 20 / 20;
But, 20 / 20 > 6 / 20 => Juaquine works faster than John.