Mathematics: Christopher can paint the interior of his house in 35 hours. if he hires cynthia to him, they can do the same job together in 25 hours. if he lets cynthia work alone, how long will it take her to paint the interior of his house? round you answer to 1 decimal place.

Christopher can paint the interior of his house

Ответ:

jhonnysoriano9053

30.05.2020

Mathematics

Christopher = 35 hours

Christopher and Cynthia = 25 hours

1/25 - 1/35 = 2/175

175/2 = 87.5 hours < Cynthia needs 87.5 hours to paint the house alone.

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Ответ:

JCSakura

14.09.2022

Mathematics

The answer is 2c + 5, where C is the number of candies Katie has, because you want twice the amount of Katie's candies, which is 2c, and then 5 more than that, which is the + 5. I hope this helps!

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Christopher can paint the interior of his house in 35 hours. if he hires cynthia to him, they can do the same job together in 25 hours. if he lets cynthia work alone, how long will it take her to paint the interior of his house? round you answer to 1 decimal place.

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