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johnny has 90, 84, and an 86 on his first 3 tests. what score would he need to make on the 4th test to bring his test average up to a 90
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johnny has 90, 84, and an 86 on his first 3 tests. what score would he need to make on the 4th test to bring his test average up to a 90

User Kirogasa
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Johnny needs to get a 100 on his test to bring his test average to a 90.
User VanLaser
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