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!!!

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**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.

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

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

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

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

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**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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