SOLUTION: if i drive 20 miles to school, and it takes me 30 minutes to get here, what is my average speed in miles per hour?

Algebra.Com
Question 915706: if i drive 20 miles to school, and it takes me 30 minutes to get here, what is my average speed in miles per hour?
Answer by tonyclarke(17)   (Show Source): You can put this solution on YOUR website!
20 miles in 30 mins
try 60 minutes in an hour so double the 30 minutes to make 60
in turn double the 20 miles to get 40 miles in one hour
so the average is 40mph

RELATED QUESTIONS

It takes you 30 minutes to drive to school, which is 12 miles away. What is your speed... (answered by Nfrey78)
It took 7 hours and 30 minutes to drive 375 miles. What was the average speed in miles... (answered by csr212)
I am having trouble with this problem? Can someone please help me? Dustin takes one... (answered by MathTherapy)
If you drive 20 miles and it takes you 30 minutes, your average speed is... (answered by sofiyac)
The time t that it takes to get to school varies inversely with your average speed s. (answered by josgarithmetic,timofer,greenestamps,ikleyn)
It takes David 1 hour and 30 minutes to drive 63 miles what was his average speed? (answered by fractalier)
I drive 60 miles in 48 minutes and 10 miles at 35 miles per hour. What is my average... (answered by stanbon)
It takes Omar 10 minutes to bicycle 1 mile to school and 20 minutes to return the same... (answered by ankor@dixie-net.com)
Kim rides her bike from her home to school at an average rate of 12 miles per hour. If it (answered by lenny460)