Someone plz help me lol plz do it for me btw it’s not for a grade but plz help me ;-;
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Answer:
first one takes 10 mins, second one takes 20 mins, and third one takes 22 mins
basically just subtract the two times
activity 1: 10 min
activity 2: 20 min
activity 3: 22 min
activity 4: 28 min