Linndsey and stephen work at a factory. lindsey can complete on full job in 3 hours, and stephen can complete the same job in 5 hours. if lindsey and steophen work together on the job for 1 hour, then how long, in minutes, wil it take stephen to finish the job by himself?

Solution: Linndsey's 1 hour work

Stephen's 1 hour work

Linndsey's and Stephen's work together for 1 hour

Therefore, the amount of work done in 1 hour by both Linndsey's and Stephen's is

Now the amount of Job left is

Let t be the amount of time Stephen takes to do the remaining job of

                        hours

Now let's convert hours into minutes as :

minutes

Therefore, it will take 140 minutes to Stephen to finish the job by himself.

c

step-by-step explanation:

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