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Wendy builds a birdhouse in 15 hours and michael builds an identical birdhouse in 10 hours. how many hours will it take wendy and michael, working together at their respective constant rates, to build
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Wendy builds a birdhouse in 15 hours and michael builds an identical birdhouse in 10 hours. how many hours will it take wendy and michael, working together at their respective constant rates, to build a birdhouse

User Raber
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12.5 hours is how long it would take them
User Liyakat
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