Question

the average age of group of eight members is the same as it was 3 years ago....

Answer 1

hey mate your is ✨✨✨✨✨

option (b) - 24 years
because let avg 3 years ago be x

sum of ages 3 years ago is 3x + 24

'A' now sum ages of all people is 8x 'B'

now subtract 'B' from 'A'

difference of ages will be 24.

hope it helps you
please mark as brainliest.

Answer 2

Let avg 3 yrs ago be x
Sum of ages 3 yrs ago is 8x+24. eq1
Now, sum of ages of all people is 8x eq2

Subtract eq2 from eq1
Difference of ages will be 24 yrs.

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