math
posted by eva .
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!!
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