Posted by ttuuffyy on Thursday, May 9, 2013 at 6:18pm.
Is 20 miles more or less than 20,000 kilometers?

math  Ms. Sue, Thursday, May 9, 2013 at 6:20pm
1 mile = 1.60934 km
What do you think?

math  ttuuffyy, Thursday, May 9, 2013 at 6:28pm
Well how would you show your work?

math  Ms. Sue, Thursday, May 9, 2013 at 6:37pm
If you tell me what you think and why, I'll show you how to show the work.

math  ttuuffyy, Thursday, May 9, 2013 at 6:47pm
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, Thursday, May 9, 2013 at 6:55pm
What do you think you should do with this fact?
1 mile = 1.60934 km

math  ttuuffyy, Thursday, May 9, 2013 at 7:03pm
Do 1.60934 divided by 20,000?

math  Ms. Sue, Thursday, May 9, 2013 at 7:07pm
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, Thursday, May 9, 2013 at 7:11pm
can you PLEASE explain it in any easier way?:(

math  Ms. Sue, Thursday, May 9, 2013 at 7:18pm
20 * 1.60934 = ________ km

math  ttuuffyy, Thursday, May 9, 2013 at 7:20pm
20 x 1.60934=_ km?

math  Ms. Sue, Thursday, May 9, 2013 at 7:25pm
Yes. * means multiply

math  ttuuffyy, Thursday, May 9, 2013 at 7:27pm
THANK YOU!!!!!!!!!!!!!!!!!!

math  Ms. Sue, Thursday, May 9, 2013 at 7:27pm
You're welcome. :)
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