Jack and Fred have to do a certain job. If Jack works alone he can finish the job in 3 hours. If Fred works alone he can finish the job in y hours. The two of them can finish the job in 2 hours if they

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asked Dec 26, 2022 76.7k views

3 votes

Jack and Fred have to do a certain job. If Jack works alone he can finish the job in 3

hours. If Fred works alone he can finish the job in y hours. The two of them can finish
the job in 2 hours if they work together. What is the value of y?

Mathematics
high-school

Michael Stockerl asked

by Michael Stockerl

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1 Answer

4 votes

Answer:

y = 6

Explanation:

when they work together, you square the 3 and get 6

Michael Domashchenko answered Jan 1, 2023

by Michael Domashchenko

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