Mathematics, 09.03.2021 23:10 andrejr0330jr
1. when jack and jill work together, they can carry a cooler of water up a hill in 12 hours. when jill works alone it takes her 7 fewer hours than when jack works alone. how long would it take jack, working alone, to carry a cooler of water up a hill? Step by step please! ):
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1. when jack and jill work together, they can carry a cooler of water up a hill in 12 hours. when ji...
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