The average of 5 numbers is 26. Four of them are 18, 24, 30, and 32. What is the fifth number?

Problem Statement

Total needed is five times twenty six equals one hundred thirty. Known sum is one hundred four. The missing number is twenty six.

SolutionRead Only

x = 5×26 − (18+24+30+32) = 130 − 104 = 26

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