how do you solve for a missing variable to find the mean of 5 numbers

The mean of 5 numbers is 27.  Four of the numbers are 24, 33, 27 and 31.  What is the fifth number?
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7 Answers

if the mean of 5 numbers is 27, then the sum of the five number is

5x27=135

the sum of the 4 given number is 115, so the fifth number is 20
by Level 5 User (12.9k points)
the mising number is 20
by
the missing number is 20
by
20 this is the answer
by
5x27=135

24+33+27+31=115

135-115=20
by
27x5=135 24,33,27, 31

24+33+27+31=115

135-115=20

x=20
by
24,33,27,31,_____

27x5=135

24+33+27+31=115

135-115=20

anser=20
by

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