Posted by audrey on Tuesday, May 17, 2011 at 8:09pm.
a dollar bill has an area of 15.86 square inches. If a dollar bill is 2.6 inches long, how wide is it?
Please explain how you got please!!!

math  Annonymous, Tuesday, May 17, 2011 at 8:22pm
You know that area of a rectangle is A=lw. If you know the area to be 15.86 square inches and the length to be 2.6 inches, you would set up the equation as follows and solve:
A=lw
15.86=(2.6)(w)
You would divide by 2.6 to get w by itself.
You're length would be 6.1 inches.
For you to check for future reference, multiply 2.6(6.1) and you would get 15.86 square inches, which would be your area you started with.

math  audrey, Tuesday, May 17, 2011 at 8:25pm
wouldn't your width be 6.1 inches?

math  Annonymous, Tuesday, May 17, 2011 at 8:26pm
Yes, I'm sorry. That was a typo. It would be your width

math  audrey, Tuesday, May 17, 2011 at 8:27pm
thank you soo soo much!!! =)

math  Annonymous, Tuesday, May 17, 2011 at 8:28pm
Welcome

math  audrey, Tuesday, May 17, 2011 at 8:30pm
can you answer my question above about the triangular road sign? If you could that would be AWESOME!!!
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