Answer:
-380
Step-by-step explanation:
7-9(8+5f) with f = 7
substitute the variable with the number
7-9(8+5 x 7)
do the parenthesis first using P.E.M.D.A.S.
7-9(8+35)
7-9(43)
7 - 9 x 43
7 - 387
<em><u>-380</u></em>
7 - 9(8 + 5f)
7 - 9(8 + 5(7))
7 - 9(8 + 35)
7 - 9(43)
Best of Luck!
They are Proportional because there will always be a 7 dollar difference
Josh is paid 14
Tillery is payed 7$
The relation is proportional
Josh ||| Tillery
___________
14 ||| 7
16 ||| 9
18 ||| 11
20 ||| 13
500
that is the procedure above
