Answer:
Getting through ratio method
100-20=80 percent have to pay
18:80
<em>x</em>:100
cross multiply
80 x <em>x=1</em>8 x 100
80x=1800
x=1800/80
x=22.5
So the original price was $22.50
Step-by-step explanation:
Are you rounding to the nearest 100’s place?
All you really have to do is divide 80.0 by 16.0
80.0 divided by 16.0= 5
so 5 is your answer!
