Posted by eva on Wednesday, April 7, 2010 at 8:07pm.
A 120foot 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  Reiny, 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  iris, Wednesday, April 7, 2010 at 8:18pm
thanks

math  Pj, Sunday, September 20, 2015 at 4:25am
Longest C.60, and 1st 20, 2nd 40.
20+40+60=120