Question

Average of 2 numbers is 17. If one
number is 21, find the other number.
(1) 7
(2) 8
(3) 2
14) 13​

Answer 1

Step-by-step explanation:

another number is 13.

13+21 = 34

and 34/2 is 17 ...as given in the question.

Answer 2

Answer:

Average = Total Sum of All Numbers / Number of Item in the Set

let the number be x.

x/2+21/2=17

x+21=34

x=13

the other number is 13.