Mathematics, 27.02.2021 02:20, wellllm
If the first painter can do the entire job in twelve hours and the second painter can do it in eight hours, then (this here is the trick!) the first guy can do
1
12
12
1
of the job per hour, and the second guy can do
1
8
8
1
per hour. The question then becomes, how much then can they do per hour if they work together?
Answers: 1
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