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
llm
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)