SOLUTION: The time "t" that it takes Hannah to bike to school varies inversely as her average speed, "s". If she can bike to school in 25 minutes her average speed is 6 mi/h. What would her

Question 940655: The time "t" that it takes Hannah to bike to school varies inversely as her average speed, "s". If she can bike to school in 25 minutes her average speed is 6 mi/h. What would her average speed need to be to get to school in 20 min.?
I got 7.5 mph. Is this correct?
Thank you!
Found 2 solutions by ankor@dixie-net.com, josgarithmetic:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Yes it is!
Answer by josgarithmetic(39613) (Show Source): You can put this solution on YOUR website!
, t for time, s for speed, k for proportionality constant. Here, k must mean distance. Notice the units used. t in minutes, and speed seems used as miles per hour.

Find s if t is 20 minutes?

Speed is 7.5 miles per hour.
RELATED QUESTIONS
The time t that it takes to get to school varies inversely with your average speed s. (answered by josgarithmetic,timofer,greenestamps,ikleyn)
the time t that it takes to get to school varies inversely with your average speed v.... (answered by nyc_function)
An athletes average speed on her bike is 14mph faster than her average speed running. She (answered by lwsshak3)
Erin rides her bike from home to school in 15 minutes. If she increases her speed by 5... (answered by josmiceli)
A child can get to school in 15 minutes if she rides her bike. It takes her 45 minutes if (answered by ptaylor)
The time it takes for a boy to ride his bike from his home to the ballfield varies... (answered by Alan3354)
Laura Dawson can get to school in 1/4 hour if she rides her bike. It takes her 3/4 if she (answered by stanbon)
Ms. T rode her bike to school. It took her 5 hours. She traveled three mph. How far was (answered by richard1234)
Kim rides her bike from her home to school at an average rate of 12 miles per hour. If it (answered by lenny460)