Carrie can inspect a case of watches in two hours. jerry inspects a case in five hours. after inspecting a case for a half an hour, carrie takes a break. in the mean time, jerry takes over and completes the job, how long did this take him?

It will take Jerry 3 hr 45 minutes to complete the work.

Step-by-step explanation:

Let Jerry takes x hours.

Carrie's rate = 1/2 case/hr

Jerry rate's = 1/5 case/h

We know that work done =rate x time

So, Carrie work + Jerry work = 1 job complete

x = 15/4 =

= 3 hr 45 minutes

Hence, it will take Jerry 3 hr 45 minutes to complete the work.

46.2+112.3

step-by-step explanation:

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step-by-step explanation: