SOLUTION: A group of four items has a mean of 69. What would the value of the fifth item have to be in order to produce a mean of 75?

Question 941276: A group of four items has a mean of 69. What would the value of the fifth item have to be in order to produce a mean of 75?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
(69*4 + x)/5 = 75
(69*4) + x = 75*5
x = 75*5 - 69*4
x = 99
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