The avrg of 6number is .what number must be added to increase the average to 10 ? plz help
gaurav2013c:
What is the average of 6 numbers?
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Average of 6 numbers = sum of all 6 numbers/6
Sum of all 6 six numbers = average of 6 numbers*6 = 8*6 = 48
let that seventh number is x then
(48+x)/7 = 10
48+x = 70
x = 22
This is your answer......
Thank you.
Sum of all 6 six numbers = average of 6 numbers*6 = 8*6 = 48
let that seventh number is x then
(48+x)/7 = 10
48+x = 70
x = 22
This is your answer......
Thank you.
Answered by
1
Answer:
answer is in the attachment
hope it helps
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