The average of 2,7,6 and x is 5 and the average of 18,1,6,x and y is 10. What is the value of y?
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Answer:Y=20
Step-by-step explanation:
Given average
(2+7+6+x)/4=5
15+x=20
X=5
Now,
(18+1+6+x+y)5=10
18+1+6+5+y=50
30+y=50
Y=20
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