Problema Solution
You walk at a speed of 3.5 miles per hour for 25 minutes and then ride your bike at a speed or r miles per hour for 15 minutes. Your combined walking and biking distance is 4.5 miles. How fast dod you ride your bike?
Answer provided by our tutors
Since distance = speed*time we can write:
3.5*(25/60) + r*(15/60) = 4.5
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click here to see the equation solved for r
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r = 12.17 mph
You rode your bike with a speed of 12.17 mph.