Question 6 • Algebra II
Use rate = distance ÷ time. Julia rides at 20 ÷ 1.2 ≈ 16.7 mph, and Katie rides at 20 ÷ 1.6 = 12.5 mph. The difference is about 16.7 − 12.5 = 4.2 mph, so Julia rides 4.2 mph faster.
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