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26 November, 11:10

Andrew can paint the neighbor's house 3 times as fast as Bailey. The year Andrew and Baikey worked together, it took them 5 days. How long would it take each to pain the house?

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  1. 26 November, 11:53
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    Set a ratio. a=3b. a+b=5. Therefore, 3b + b = 5. 4b = 5. If b=5/4, then a is 3 times as much, which is 15/4 = a.
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