Question
Cindy took 40 min to bake a cookie. If she started baking at 17 30, at what time did she finish baking the cookie?(Give your answer using 24-hour clock)
2 m

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Cindy took 40 min to bake a cookie. If she started baking at 17 30, at what time did she finish baking the cookie?(Give your answer using 24-hour clock)