Posted by ttuuffyy on .
Is 20 miles more or less than 20,000 kilometers?

math 
Ms. Sue,
1 mile = 1.60934 km
What do you think? 
math 
ttuuffyy,
Well how would you show your work?

math 
Ms. Sue,
If you tell me what you think and why, I'll show you how to show the work.

math 
ttuuffyy,
Well I started with...
20 x 1,000 and got 20,000 kilometers
next i'm thinking I should do
20,000 x ? 
math 
Ms. Sue,
What do you think you should do with this fact?
1 mile = 1.60934 km 
math 
ttuuffyy,
Do 1.60934 divided by 20,000?

math 
Ms. Sue,
Let's set up a proportion. Cross multiply and solve for x.
1/ 1.60934 = 20/x
x = 32.1868
20 miles = 32.1868 km 
math 
ttuuffyy,
can you PLEASE explain it in any easier way?:(

math 
Ms. Sue,
20 * 1.60934 = ________ km

math 
ttuuffyy,
20 x 1.60934=_ km?

math 
Ms. Sue,
Yes. * means multiply

math 
ttuuffyy,
THANK YOU!!!!!!!!!!!!!!!!!!

math 
Ms. Sue,
You're welcome. :)