Question

The average of 6 number is 4. A seventh number is added and the new average is 5. Find the seventh number

Answer 1

the answer is 11

Explanation:

the average of 6 numbers is 4....

t/6 = 4.....t = 24 (the total of the 6 numbers)

(24 + x) / 7 = 5

24 + x = 35

x = 35 - 24

x = 11 <== ur 7th number

Answer 2

The seventh number would have to be 11