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anonymous
 5 years ago
Your grades on four math tests are 97, 88, 79 and 92. What grade do you eed on the fifth test to reach an average of 90? What method would I use to solve this?
anonymous
 5 years ago
Your grades on four math tests are 97, 88, 79 and 92. What grade do you eed on the fifth test to reach an average of 90? What method would I use to solve this?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.097+88+79+92+X/5=90 450=97+88+79+92+X 450=356+X 94=X
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