Mathematics, 05.10.2020 15:01 abbyramirez52

Paulo got these markers in three tests: 72, 80 and 82. He had one more test to sit. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?

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Paulo got these markers in three tests: 72, 80 and 82. He had one more test to sit. He wanted an av...

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