Answer to Question #139503 in Statistics and Probability for Ella Ssebulime

Question #139503

Weighted average (missing value).Solve the equation for x.

30(2)+40(3)+36(3) +5x/10=34.8

Expert's answer

(30(2)+40(3)+36(3) +5x)/10=34.8

60+120+108 +5x=34.8*10=348

5x=348-60-120-108 =60

x=60/5=12

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