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Posted by on Wednesday, April 7, 2010 at 8:07pm.

A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope is three times aS LONG AS THE SECOND PIECE OF ROPE. WHAT IS THE LENGTH OF THE LONGEST PIECE OF ROPE?

a 20 feet
b 40 feet
c 60 feet
d 80 feet

why and thankyou!!

  • math - , Wednesday, April 7, 2010 at 8:14pm

    let the second piece be x ft long
    then the first piece is 2x ft
    and the third piece is 3x

    x + 2x + 3x = 120

    take it from here ....

  • math - , Wednesday, April 7, 2010 at 8:18pm

    thanks

  • math - , Sunday, September 20, 2015 at 4:25am

    Longest C.60, and 1st 20, 2nd 40.
    20+40+60=120

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