SOLUTION: Catarina scored 89 and 84 on her last two tests. What must she score on her next test to raise her mean score to a 90
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Question 826078: Catarina scored 89 and 84 on her last two tests. What must she score on her next test to raise her mean score to a 90
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(89+84+x)/3=90
173+x=90*3
x=279-173
x=97
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