Question

of the three numbers,the average of the first and the second is greater than the average of the second and the third by 15.What is the difference between the first and third of the three numbers?​

Answer 1

difference between first and third of the three nu bers is 30

Answer 2

Answer:

answer is 30

Step-by-step explanation:

let first number is :a

    second number is :b

    third number is:c

[(a+b)/2]-[(b+c)/2]=15

a-c/2=15

a-c=30

the difference between first and second number is 30