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KonstantinChe [14]
4 years ago
10

Carlito scored a 92 on his first math test, a 94 on the second, and an 88 on the third. If each test is worth points and there a

re four tests per year, what will Carlito need to score on the last test to have an average of 90 for the year?
Mathematics
1 answer:
grigory [225]4 years ago
3 0
Let x be his score on the last test so that to get an average of 90
His to average score at  year end (4 terms), including the last is:
(92 +94 + 98 + x)/4 =90
(92 +94 + 98 + x) =4 x 90
x = - 274 + 360
x= 86
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