Time for Skating

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Molly skated from 10:00 until 12:15. How long did she skate? Show how you know.

Lucy wanted to skate for exactly 2 hours and 25 minutes. If she began skating at 11:15, at what time did she finish? Explain your solution.

Joey skated for 90 minutes, and that was twice as long as Jessica. How long did Jessica skate? Explain your solution.

Challenge:

An ice skating arena charges an admission fee for each child plus a rental fee for each pair of ice skates. John paid the admission fees for his six nephews and rented five pairs of ice skates. He was charged $32.00. Juanita paid the admission fees for her seven grandchildren and rented five pairs of ice skates. She was charged $35.25What is the admission fee?What is the rental free for a pair of skates?