Adrian's mean score for four tests is 64%. He wants to increase his mean to 68% after the fifth test. What does he need to score in the fifth test?

asked May 15, 2021 126k views

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Answer:

He has to score 84 %

Explanation:

64 + 64 + 64 + 64 = 256

5*68 = 340

340 - 256 = 84

(64 + 64 + 64 + 64 + 84)/ 5 = 68

Latifa answered May 21, 2021

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