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:
Answer: 50.84%
(89-59) /59 = 0.5084/100 = 50.84%
See image.
$1,671.43 I believe is the answer
any point that is on the circle will have a distance of "radius" units, namely 13 units, since the radius is just that.
yep