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Mathematics, 14.01.2021 04:10 yarahatimm9345

Terry has completed 15 homework problems, and Susan has completed 9. Terry is completing 10 problems per hour, and Susan is completing 12 per hour. After how many hours will Terry and Susan have completed the same number of problems?

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Terry has completed 15 homework problems, and Susan has completed 9. Terry is completing 10 problems...
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