OpenStax, Elementary Algebra 2e §8.9 Use Direct and Inverse Variation · Exercise 168 · Algebra · Rational expressions
Use Direct and Inverse Variation · Exercise 168
Solve.
Julia spent 4 hours Sunday afternoon exercising at the gym. She ran on the treadmill for 10 miles and then biked for 20 miles. Her biking speed was 5 mph faster than her running speed on the treadmill. What was her running speed?
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OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Exercise 168
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