Question

The average of 10 numbers is 65 . the sum of the number is

Answer 1

sum = 650

Explanation:

average is calculated as

average =
`(sum)/(count)`

given average = 65 and count = 10 , then

65 =
`(sum)/(10)` ( multiply both sides by 10 )

10 × 65 = sum , that is

sum = 650