Find x if the average of 18, 19, 20, 13, and x is 18.
a. 20
c. 22
b. 21
d....
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Mathematics, 27.05.2020 23:05 kaoris2322
Find x if the average of 18, 19, 20, 13, and x is 18.
a. 20
c. 22
b. 21
d. 18
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