Answer:
[tex]\frac{3}{4}(18 + s) = 31.5[/tex]
Step-by-step explanation:
Given
[tex]Amount\ Paid = \$31.5[/tex]
[tex]Blouse = \$18[/tex] --- original price
Required
Determine the original price of skirt
Represent skirt with s
So:
[tex]Total = 18 + s[/tex]
He pays 3/4 of the original price:
So:
[tex]Amount\ Paid = \frac{3}{4}(18 + s)[/tex]
Equate to:
[tex]Amount\ Paid = \$31.5[/tex]
This gives:
[tex]\frac{3}{4}(18 + s) = 31.5[/tex]
