Problem preview
MF.RN.8 Warmup MF-014-A01-V01

Solve discount, markup, tax, tip, and simple interest style percent problems.

Apply a percent discount

Problem

A jacket originally costs \(\$80\). It is on sale for \(25\%\) off. What is the sale price?

Big Picture

What this problem is really about

Twenty-five percent off describes the amount removed from the original eighty-dollar price, while the question asks for what remains. We’ll calculate the discount amount, subtract it from the original, and keep dollars attached throughout. Multiplying the original by the complementary percent provides a direct check on the sale price.

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Four variants of this problem type
Curriculum context
Standard
MF.RN.8
Category
Rational Numbers
Domain
Percents
Objective
Solve discount, markup, tax, tip, and simple interest style percent problems.
Problem type
Apply a percent discount