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Simi scored an average of 80 percent on four tests What score is needed on the fifth test to bring simi's average to 84 percent?
Wiki User
∙ 14y ago
Simi's tests so far can be expressed as 320 percent divided by four. To average 84 percent, she would need five times 84 or 420 percent. The difference is 100%. Assuming all the tests are equally weighted, she needs 100% on the 5th test.
Wiki User
∙ 14y ago
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