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MF.RN.7 Challenge MF-013-A12-V02

Calculate percent increase and decrease and explain what the percent measures.

Screen for correct percent-change representations

Problem

A store lowered the price of a backpack from \(\$48\) to \(\$36\). Calculate the percent decrease, then evaluate the four statements below. Exactly one statement is correct.

A. The price decreased by \(12\%\).
B. The price decreased by \(25\%\).
C. The percent decrease can be found with \((48~-~36)~/~36\).
D. The new price is \(36\%\) of the original price.

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Four variants of this problem type
Curriculum context
Standard
MF.RN.7
Category
Rational Numbers
Domain
Percents
Objective
Calculate percent increase and decrease and explain what the percent measures.
Problem type
Screen for correct percent-change representations