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Mathematics, 11.06.2021 18:30 andrewmena05

John received a 68%, 72%, and 85% on three of his math tests. After his fourth math test he now has a 79% average. What score did he have received on his fourth test? A) 79%
B) 89%
C) 91%
D) 100%

PLEASE EXPLAIN WHY OR I WILL RATE TWO STARS!

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