Question
Irene needs 711 m of cloth to sew a blouse. She needs 10 m of cloth to sew 2 blouses and a vest. How much cloth will she need to sew one vest? (Give your answer in m.)
4 m

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Irene needs 711 m of cloth to sew a blouse. She needs 10 m of cloth to sew 2 blouses and a vest. How much cloth will she need to sew one vest? (Give your answer in m.)