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A plan for a bookcase requires three pieces of lumber 3 ft 5 in each long and two pieces of lumber 2 ft 4 in each long. What is the total length of material that is needed for the bookcase?

  • math -

    3ft * 3 = 9 feet
    5 inches * 3 = 15 inches

    So the three pieces of lumber equal 9 feet and 24 inches = 11 feet

    Add the two pieces to 11 feet.

  • math -

    2ft* 2= 4ft

    4in*2= 8in

  • math -

    so it would be 11ft + 4ft 8 in?

  • math -

    Right!

  • math -

    thank you Ms. Sue appreciate it

  • math -

    which is 15ft and 8in

  • math -

    You're welcome.

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