Question 1138290

Today everything at stores on sale the store offers a 20% discount. the regular price of a t-shirt is $18 what is the discount price? and if the regular price of an item is x dollars then what is the discount price in dollars? The discount price of a hat is $18 what is the regular price?
<pre><b>a)</b> Regular price: $18. Discounted price: .8(18) = ?????
<b>b)</b> Regular price:  $x. Discounted price: .8(x) = .8x
<b>c)</b> Discounted price: $18 ; {{{highlight_green(matrix(1,5, Regular, "price (R):", .08/1, "=", 18/R))}}}
Calculate a) to get your answer.
Work out the PROPORTION in c) to find R, the REGULAR price of the hat.