jhie has an average of 72 on three 100-points tests. What score would he need on his next test to raise his average to 75?
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jhie has an average of 72 on three 100-points tests. What score would he need on his next test to raise his average to 75?
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Answer:
84
Step-by-step explanation:
72*3 = 216
75*4 = 300
300 - 216 = 84