Mathematics, 15.04.2021 16:30, asclp

Keith has a small summer business taking care of people's lawns in his neighborhood. He finds that working by himself, he has to work about 27 hours each week to take care of all his clients' needs. If he hires his brother to help him, together they are able to work about 50% faster together than Keith was able to work alone. How many hours will they have to work each week in order to get the same amount of work done?

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Keith has a small summer business taking care of people's lawns in his neighborhood. He finds that w...