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Brrunno [24]
3 years ago
11

Ted need to score at least 70 on his three tests, he has scored already 85 and 60 on two test, what would be the third test scor

e?
Mathematics
1 answer:
andriy [413]3 years ago
3 0
First test: 85
second test: 60
third test: x = ?
total: 70

(85 + 60 + x) / 3 >= 70
You have to divide this by the number of tests Ted will take (in this case 3).
145 + x >= 70 * 3
x >= 70 * 3 - 145
x >= 210 - 145
x >= 65

Ted has to score at least 65 on his third test.
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