SOLUTION: If Dr. Suzuki rides his bike to his office, he averages 15 miles per hour. If he drives his car, he averages 30 miles per hour. His time driving is 1/5 hour less than his time bi

Question 732991: If Dr. Suzuki rides his bike to his office, he averages 15 miles per hour. If he drives his car, he averages 30 miles per hour. His time driving is 1/5 hour less than his time bicycling. How far is his office?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If Dr. Suzuki rides his bike to his office, he averages 15 miles per hour. If he drives his car, he averages 30 miles per hour. His time driving is 1/5 hour less than his time bicycling. How far is his office?
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It's 2x as fast, so 1/5 = time at 30 mi/hr
d = r*t = 30 mi/hr * 1/5 hr = 6 miles

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