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After 4 tests, Amanda's average score was 88. What score must she earn on her next test to have a 5-test average?

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Whatever score she makes, she'll still have a 5-test average.

Does she have a specific average she'd like to achieve?

Sorry specific average after 5 tests should be 90.

(4(88) + x)/5 = 90
352 + x = 450
x = 98

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