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maksim [4K]
3 years ago
12

28 32 21 22 The mean is 24.4 what is the 5th number

Mathematics
2 answers:
Archy [21]3 years ago
6 0
The awnser has to be 26??
Tomtit [17]3 years ago
6 0
Set up an equation with x as the variable for the missing number

(28+32+21+22+x)/5 = 24.4

multiply both sides by 5

28+32+21+22+x = 5(24.4)

simplify (add and multiply)

103+x = 122

subtract 103 from both sides

x = 122-103

simplify

x = 19
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