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.)
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Mrs. Disher Mr. Howes Time Rate Working Together 3 3 Fractional Part of the Job Done
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Lets assume that Mrs Dishers grading rate is represented by r tests per hour and M...View the full answer
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Related Book For
Intermediate Algebra
ISBN: 9780134895987
13th Edition
Authors: Margaret Lial, John Hornsby, Terry McGinnis
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