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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 -

    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 -

    wouldn't your width be 6.1 inches?

  • math -

    Yes, I'm sorry. That was a typo. It would be your width

  • math -

    thank you soo soo much!!! =)

  • math -

    Welcome

  • math -

    can you answer my question above about the triangular road sign? If you could that would be AWESOME!!!

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