Abike is on sale for $170. this is 80% of the regular price. find the regular price

we know that 80%=$170

                       100%=x

x= 100*170/80

x= 17000/80

x= 212.5 or x = 213

As a conclusion , the regular price is 213

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x