David cuts a rope 60m long into two pieces in the ratio 2:3. What is the length of the shorter piece of rope?

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- February 4th 2009, 10:29 AMloutja35Word Problems question 4
David cuts a rope 60m long into two pieces in the ratio 2:3. What is the length of the shorter piece of rope?

- February 4th 2009, 11:07 AMBruce
2 + 3 = 5, so essentially (not literally) Dave has cut the rope up into 5 parts.

So to find the length of 1 part, divide 60 by 5 = 12m

The shorter rope has the 2 parts of the 5, so multiply your length of 1 part by 2 and you get 12 x 2 = 24m.