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Rachel has scored 98, 83, and 68 on her previous three tests. What score does she need on her next test so that her average (mean) is 82?
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Equation for the calculation double 2 and then add 5
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Combine the information in the problem and the chart using the average balance method to solve the problem.
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Rachel has scored 98, 83, and 68 on her previous three tests. What score does she need on her next t...
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