Rates, density, and unit conversion
Ratios, rates, units, and percentages · Stage 2
Recognize the pattern
Divide quantity by time and keep the units consistent.
Useful rulerate=quantity/time
Build on: PSD-01
Try it before reading the solution
A car travels 120 miles in 2 hours. What is its average speed?
This teaching example is original and is not an official SAT question.
Reasoning
120 miles ÷ 2 hours = 60 miles per hour.
Answer60 miles per hour
03 · Next step
See membership →Ready for adaptive practice
Practice questions remain in English, as on the SAT.