Question
Fanny ordered a bowl of kway teow and shared it with Billy. She ate 115 of it. Billy ate twice as much kway teow as she did. What fraction of the bowl of kway teow was left?
4 m

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Fanny ordered a bowl of kway teow and shared it with Billy. She ate 115 of it. Billy ate twice as much kway teow as she did. What fraction of the bowl of kway teow was left?