SOLUTION: Chang has scored 87,94 ,89 , and 93 on his previous four tests. What score does he need on his next test so that his average (mean) is 87 ?
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Question 394303: Chang has scored 87,94 ,89 , and 93 on his previous four tests. What score does he need on his next test so that his average (mean) is 87 ? Answer by TeishaRenee(14) (Show Source):
You can put this solution on YOUR website! your answer is 72 let me know if you want to know how i got it but if you just want the answer, there it is!!!