A store is having a 20% off so on all merchandise if made buys one item and saves $13 what was the original price of the purchase explain or show your reasonings

If a store is having a 20% off sale

By buying an item you save 20% of the price

If Mai saves $13 on an item she is also saving 20%

$13 = 20% of the price

$65 = 100% of the original price

$65 is your answer!

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.