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What is the minimum score she needs to make

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Reference no: EM131012902

Sandra's scores on the first 4 test were 87%, 92%, 76%, and 89%. What is the minimum score she needs to make an the fifth test so that her average is at least an 80%?

Reference no: EM131012902

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What is the minimum score she needs to make : Sandra's scores on the first 4 test were 87%, 92%, 76%, and 89%. What is the minimum score she needs to make an the fifth test so that her average is at least an 80%?
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