Math
posted by elias .
A line segment that is 2 4/8 inches long, how many half inches is it?

How many halves are in 2 1/2?
You could count them on a ruler, if you aren't sure how to figure this out.
http://becauseican.co.za/wpcontent/uploads/2008/04/ruler_0_10.jpg 
I counted 2,am I right?

1 inch = 2 half inches
2 inches = 4 half inches
4/8 inch = 1/2 inch
2 1/2 = 5/2 
5 am i right