Question

the average of 30 40 and x is 60. find the value of x

Answer 1

30 + 40 + x / 3 = 60

70+ x = 180

x = 180--70

x=110

Answer 2

Answer: x=110

(30+40+x) /3 =60

30+ 40+ x = 60×3

70 + x= 180

X = 180-70

X= 110

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