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MF.PR.3 Challenge MF-017-A13-V02

Generate and justify equivalent ratios using scaling, tables, and diagrams.

Choose a smart equivalent-ratio strategy

Problem

Are \(18:30\) and \(3:5\) equivalent? Consider these strategies: A, divide \(\text{both}~\text{terms}\) of \(18:30\) by \(6\); B, subtract \(15\); C, divide by \(3\) and stop; D, multiply \(3:5\) by \(5\). Choose the strategy that works, then state yes or no, and give the simplified ratio.

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Four variants of this problem type
Curriculum context
Standard
MF.PR.3
Category
Proportional Reasoning
Domain
Ratios and Rates
Objective
Generate and justify equivalent ratios using scaling, tables, and diagrams.
Problem type
Choose a smart equivalent-ratio strategy