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?
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?
Chapter7: Rational Expressions And Functions
Section7.5: Solve Applications With Rational Equations
Problem 309E: Josephine can correct her students test papers in 5 hours, but if her teacher’s assistant helps, it...
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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 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?
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