<span>80% = 80/100 = 8/10 = 4/5</span>
It Is Just -1.
The Parenthesis Are All Simplified, And The Subtraction Sign Changes It To Negative. So, 1 Changed To Negative Is -1. <span />
Kkkkskeleksosoeoeoeoeleekd
#4 is D 8.5 oz, do 3.4 / .4
#5 is C .96$, do (3/4)x=36 and you get 48 x .02 and you get .96
if this helps please mark branliest, Trying to rank up haha