An 80 meter rope is cut into 2 pieces given the ratio of 5:15. How long is the longer rope?
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Answer:
length of the rope=80m
ratio:5/15=1/3
clearly the longer rope is 3 times the short one
hence 3x+x=80
4x=80
x=20
hence the length of the longer rope is 3x=3×20=60
∴ Required answer=60
Answered by
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Answer:
Let one piece is 5X & another is 15X
5X + 15X = 20X
=> 20X = 80
=> X= 4 m.
therefore length of longer rope = 15×4 = 60 m.
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