John's math course requires 5 tests. His first 4 grades were 72, 89, 91, and 93.To end up with an average score of at least 84.8, what is the lowest score John willneed on the fifth test?

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Answered: John's math course requires 5 tests.…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter2: Working With Real Numbers

Section2.4: Subtracting Real Numbers

Problem 7P

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John's math course requires 5 tests. His first 4 grades were 72, 89, 91, and 93. To end up with an average score of at least 84.8, what is the lowest score John will need on the fifth test?