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Mathematics, 21.09.2019 18:50 fffcc8759
Jeff can weed the garden twice as fast as his sister julia. together they can weed the garden in 3 hours. how long would it take each of them working alone?
a) 4.5 hours; julia 9 hours
b) 7.5 hours; julia 15 hours
c) 4.5 hours; julia 2.25 hours
d) 0.5 hours; julia 1 hours
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Answers: 1
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Jeff can weed the garden twice as fast as his sister julia. together they can weed the garden in 3 h...
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