Heather has scored , , , and on her previous four tests. What score does she need on her next test so that her average (mean) is ?

Heather has scored , , , and on her previous four tests. What score does she need on her next test so that her average (mean) is ?

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  • 1 month ago

    Njonjoj is the first one to get the r

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  • 1 month ago

    Multiply the mean by 5 and subtract the sum of the previous 4 tests

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