Question
Gem took 25 min to bake a biscuit. If she started baking at 15 40, at what time did she finish baking the biscuit?(Give your answer using 24-hour clock)
2 m

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Gem took 25 min to bake a biscuit. If she started baking at 15 40, at what time did she finish baking the biscuit?(Give your answer using 24-hour clock)