The least common denomonator is 60
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:
42+4
Step-by-step explanation:
Answer:
Isosceles triangle
Step-by-step explanation:
Answer:
x=5
Step-by-step explanation:
x+7=12
x=12-7
x=5
