Posted by lily on Thursday, December 10, 2009 at 6:53pm.
I'm doing a problem, and it says "Robert has a piece of twine that is 3/4 yard long. He needs a piece of twine that is 2/3 of this length. How long of a piece of twine does robert need?"
Help?

math  Emily, Thursday, December 10, 2009 at 7:23pm
Multiply 3/4 by 2/3 to get the piece Robert needs:
(3/4) * (2/3) = ?
If you don't have a calculator, cross multiply so the 3s cancel out and the 2 goes into the 4 twice...leaving you with an answer of?

math  lily, Thursday, December 10, 2009 at 7:26pm
So it would be half of his piece?

math  Emily, Thursday, December 10, 2009 at 7:27pm
Yep! :)

math  lily, Thursday, December 10, 2009 at 7:28pm
Thank you!
:)

math  Emily, Thursday, December 10, 2009 at 7:28pm
I mean the piece he has is 1/2 yard long, not half of the 3/4yard one. oops sorry! lol

math  Emily, Thursday, December 10, 2009 at 7:28pm
You're welcome! :)
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