after three tests, brandon has a test average of 90. after his fourth test, his average dropped to an 85. what did he score on his fourth test?

asked Dec 24, 2023 83.9k views

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3 votes

Answer:

Explanation:

Average = Sum/Number of tests

90 = Sum/3 tests

Sum = 270

85 = 270 + test/4 tests

340 = 270 + test

Dviljoen answered Dec 29, 2023

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