2x and 7x is the answer of the questions
hey jay sorry for the phone number but i did not respond yet but i will text you back when you leave the office
Answer:
he is not correct cuz none of the x factors repeat :)
We are given
The average income, I, in dollars is

(a)
now, we are given
average income is $275000
so, 
now, we can set them equal
and then we can solve for x


we will have to use quadratic formula


we get


we need to find youngest age
It means that we need to choose smallest value
so,
............Answer
(b)
we are given
x=40
so, we can plug it and find I

..............Answer
81÷10
80÷10=8 and 1/10. As a result, the mix number is 8 1/10. Hope it help!