xojade
16.07.2019 •
Mathematics
Two painters are working together and can paint a house in 3 hours. one painter alone can paint the same house in 8 hours. how many hours would it take the second painter to paint the house by himself
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Ответ:
We have then:
x: number of hours it takes the second painter to paint the house working alone.
We have then that the equation that models the problem is:
From here, we clear the value of x.
We have then:
It would take the second painter to paint the house by himself about 4.8 hours.
Ответ: