Question
Jane took 1 h 40 min to make a kite. Kimberly took 50 min less time than Jane while Opal took 20 min longer that Kimberly to make a kite. How long did Opal take to make a kite? Express your answer in h and min.
4 m

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Jane took 1 h 40 min to make a kite. Kimberly took 50 min less time than Jane while Opal took 20 min longer that Kimberly to make a kite. How long did Opal take to make a kite? Express your answer in h and min.