Question

If the mean of 9,8,10,x,12 is 15 , find the value

Answer 1

Answer:

x=35

Step-by-step explanation:

mean= sum of all terms /total terms

15 = 9+8+10+x+12/15

15=40+x/5

15×5=40+x

75=40+x

75-40=x

x=35

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