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Question

John can paint a house in 10 hours. Adam can paint the same house in 15 hours.
A. Write an equation that can be used to find the time in hours, t, it would take John and Adam to paint the house together.
8 years ago

Answers

Scott
they each paint a fraction of the house ... the fractions add to one

t / 10 + t / 15 = 1

3t / 30 + 2t / 30 = 1

5 t = 30
8 years ago

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