Answers

  • Seb
  • Helping Hand
2014-10-22T19:02:34+08:00
1st rope- 2x
2nd rope- x
3rd rope- 3x
2x+x+3x=120
6x=120
x=20
3rd rope-3x
x=20
20x3=60
The longest and third rope is 60m long.
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