Mathematics, 22.06.2019 16:00 NobleWho

One math student, john, can solve 6 math problems in 20 min while another student, juaquine, can solve the same 6 math problems at a rate of problem per 4 min. who works faster?

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One math student, john, can solve 6 math problems in 20 min while another student, juaquine, can sol...