alizaga alizaga

01-12-2017
Mathematics

contestada

a person can paint a room in 6 hours while it takes another person to 5 hours to paint the same room how long would it take them to paint the room if they work together

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Аноним Аноним

01-12-2017

let x = time they take working together . Then:-

1/5 + 1/6 = 1/x

Multiply through by 30x:-

6x + 5x = 30
11x = 30
x = 30/11 = 2.73

answer is 2.73 hours to nearest hundredth

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veaahhhh veaahhhh

01-12-2017

It should be one hour

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