Kevin, can clean a stadium in 5 hours working alone. chris, can
clean the same stadium in 3 hours. how long will it take for both
kevin and chris to clean the stadium if they work together?

It will about 1.88 hours or 1 hour 52.5 minutes to clean the stadium if they work together .

Step-by-step explanation:

Given : Time taken by Kevin to clean a stadium = 5 hours

Rate of work done by Kelvin =

Time taken by Chris to clean a stadium  = 3 hours

Rate of work done by Chris =

Let t be the time taken by both of them to clean the stadium together.

According to the question , we have

Rate of work done together = Rate of work done by Kelvin+Rate of work done by Chris

hours

 [∵ 1 hour = 60 minutes]

Hence, It will about 1.88 hours or 1 hour 52.5 minutes to clean the stadium if they work together .

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step-by-step explanation: