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If Katie Mae walks at 3 mph and bikes 3 mph faster, her biking speed is:
A12 mph
B6 mph
C9 mph
D4.5 mph
Answer & Solution
Correct answer: B. 6 mph
1. Add 3 to her walking speed.
2. That gives 6 mph.
3. At 0.25 hour that covers 1.5 miles.
_Source: OpenStax Elementary Algebra 2e, Chapter 3, Uniform Motion Applications (CC BY 4.0)._
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