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

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