Question

Hal wants to make a 2 ½ foot banner from a 5-foot length of cloth. If he has marked 2.0 on the cloth, what does he have to do to find 2 ½ feet?

Answer 1

He can divide the 2.5 piece into fifths, and then add one of those fifths onto the 2.0 piece, to get a 2
`(1)/(2)` piece.
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Hope this helps!

Answer 2

He has to mark 0.5 more cloth.