SOLUTION: if i have an 82 70 and 66 what will i have to get for a 70 average

Question 742573: if i have an 82 70 and 66 what will i have to get for a 70 average

Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
if i have an 82 70 and 66 what will i have to get for a 70 average
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Equation:
(82 + 70 + 66 + x)/4 = 70
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218+x = 280
x = 62
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Cheers,
Stan H.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
82 is over by 12
70 is exact
66 is under by 4 which leaves a total of 8 over so a 62 will get an average of 70
(82+70+66+x)/4=70
x=62
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