SOLUTION: The average of three different numbers is 25. the second number is four less than twice the first. The third number is two more than four times at the first. what is the value of t

Question 1035875: The average of three different numbers is 25. the second number is four less than twice the first. The third number is two more than four times at the first. what is the value of the first number?

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let f, s, and t be the first, second, and third numbers, respectively.
==> f + s + t = 75,
==> s = 2f - 4, and
==> t = 4f + 2.

Hence, f + (2f-4) + (4f+2) = 75
==> 7f - 2 = 75 ==> 7f = 77 ==> .
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