Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (megans20):

A car is traveling at a rate of 54 kilometers per hour. What is the car's rate in kilometers per minute? How many kilometers will the car travel in 20 minutes?

OpenStudy (duckerstar146):

So first of all, we know that there are 60 seconds in one minute, so lets use that to divide 60 by 54

OpenStudy (megans20):

Alright.. I tried this. 54 km/1 hr x 1 hr/60 min

OpenStudy (megans20):

But after that I was lost.

OpenStudy (duckerstar146):

So when you divide 54/60, you should get 0.9, as 54 is just a tad bit less than 60, so it won't perfectly fit

OpenStudy (megans20):

So what is the 0.9 ?

OpenStudy (duckerstar146):

0.9 is the amount of kilometers driven in 1 minute

OpenStudy (duckerstar146):

We are trying to find 20 minutes, so what is the next thing we do?

OpenStudy (megans20):

Multiply 0.9 by 20 to get 18. (: Thank you for your help!

OpenStudy (duckerstar146):

Your welcome! And if you want further proof, since 20 minutes is 1/3 of an hour, multiply 18 by 3, and you should get 54!

OpenStudy (megans20):

Awesome! Thanks!

OpenStudy (duckerstar146):

No Problem!

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!