Answer:
x=2.50
Step-by-step explanation:
But I am not sure if its positive or negative.
$5
so 4 dollars is the discount
100-20=80 so
4 dollars =80%
1 dollar=20%
80+20=100
4+1=5
original price=$5
x=1
hope it helps..........
54 degrees
will edit explanation later
