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Mathematics, 22.07.2019 07:00 22savage2017

Afather and son are digging a garden that is 7 feet long and 5 feet wide. the father, working alone, can dig the garden in 3 hours. the son can do the job in 4 hours. if they both work together, how long would the two need to complete the task? (round your answer to the nearest tenth.)

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