Question

if the average of 5 number is 14 if one number is included then the new average become 42 find the new number​

Answer 1

Step-by-step explanation:

let the new number be x.

Average of 6 number can also be written as

(average of 5 numbers + 6 number)/2

42=(14+x)/2

14+x=84

x=84-14=60.

The new number is 60.