if the mean of x+2,x+3,x+5 is 80 find x
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Step-by-step explanation:
The mean of x+2,x+3,x+5 = 80
i.e. (x+2+x+3+x+5)/3 = 80
i.e. 3x+10 = 240
⇒ 3x = 230
⇒ x = 76.6666
⇒ x = 76.67
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