Mrs. Disher can grade a set of tests in 5 hr working alone. If her student teacher

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Mrs. Disher can grade a set of tests in 5 hr working alone. If her student teacher Mr. Howes helps her, it will take 3 hr to grade the tests. How long would it take Mr. Howes to grade the tests if he worked alone? (Let x = the time it would take Mr. Howes working alone.)image

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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