Question
Fiona took 2 h 30 min to make a candle. Irene took 30 min less time than Fiona while Gwen took 30 min longer that Irene to make a candle. How long did Gwen take to make a candle? Express your answer in h and min.
4 m

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Fiona took 2 h 30 min to make a candle. Irene took 30 min less time than Fiona while Gwen took 30 min longer that Irene to make a candle. How long did Gwen take to make a candle? Express your answer in h and min.