Question

the average of 6 number is 8 what seventh number must be added to increase the average to 10​

Answer 1

Answer:

22

Step-by-step explanation:

In the first case the sum of numbers would be 48 which is equal to 6 * 8.

Using the same formula in the second case also the sum of numbers should be 7 * 10 = 70

So the number to be added will be 70 - 48 = 22

Answer 2

Answer:

22

Step-by-step explanation:

(7×10)-(6×8) =70-48 =22