Problem Solving & Data AnalysisEasy
Ratios, rates, proportional relationships, and units
Set up and solve proportions, convert units, and work with rates in real-world contexts.
Sample SAT Problem
A car travels 150 miles in 3 hours. At this rate, how far will it travel in 5 hours?
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Step-by-Step Solution
Rate = 50 mph. Distance = 50 × 5 = 250 miles.
Key Tips from Pamela
- Always label your units — they help you set up the proportion correctly.
- Cross-multiply to solve proportions quickly.
- Check unit consistency before calculating.
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