Question
Tiffany took 40 min to bake a puff. If she started baking at 15 15, at what time did she finish baking the puff?(Give your answer using 24-hour clock)
2 m

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Tiffany took 40 min to bake a puff. If she started baking at 15 15, at what time did she finish baking the puff?(Give your answer using 24-hour clock)