Mathematics, 16.04.2020 23:06 megamorph
Two machines fill cereal boxes at the same rate. After the two machines work together for 9 h, one machine breaks down. The second machine requires 18 more hours to finish filling the boxes. How long would it have taken one of the machines, working alone, to fill the boxes?
Answers: 1
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Two machines fill cereal boxes at the same rate. After the two machines work together for 9 h, one m...
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