Question
Sabrina, Xandra and Jade were each given a piece of rope of equal length. Sabrina cut hers into equal lengths of 3 cm, Xandra cut hers into equal lengths of 4 cm, and Jade cut hers into equal lengths of 9 cm. If there were no remainder in each case, find the shortest length of rope given to each of them.
4 m

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Sabrina, Xandra and Jade were each given a piece of rope of equal length. Sabrina cut hers into equal lengths of 3 cm, Xandra cut hers into equal lengths of 4 cm, and Jade cut hers into equal lengths of 9 cm. If there were no remainder in each case, find the shortest length of rope given to each of them.