Mathematics, 31.01.2020 11:48, razerocfu4523

This week, sam spent 2 3/4 hours on his homework. this was 2 2/3 times less than last week. how many hours did he spend on homework last week? offering 30 points

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This week, sam spent 2 3/4 hours on his homework. this was 2 2/3 times less than last week. how many...