You have a coupon for an additional 30% off the original price. You buy an electric guitar for the sales price of $315. What is the original price

Mathematics · Middle School · Sun Jan 24 2021

Answered on

sales price= original price- discount price

sales price=$315

discount rate= 30% off

original price=?

let the original price of electric guitar =x

discount price=x*30%

now sales price=x-x*30%

315= x-x*30/100

315=x-3x/10

315=10x-3x/10

315=7x/10

3150=7x

x=3150/7

x=$450         (Original price)