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Mathematics

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On his last three tests, Mark scored 85, 95, 80. What grade must he get on his next test to have an average of 90 for all four tests

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Andouhaoyu0704 Andouhaoyu0704

Today at 1:32 AM

Answer: 100

Step-by-step explanation:

85+95+80=260 divided by 3 is 86.6 repeating and getting 100 on his next test would add up to 360 and 360/4 is 90

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