Marvin's Task
Algebra
Level
2
Marvin does four equally time consuming tasks in a row without taking breaks. He begins the first task at 12:00 pm and finishes the third task at 2:00 pm. When does he finish the fourth task?
4:00 pm
3:20 pm
3:00 pm
2:40 pm
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1 solution
Let t be time for a task in minutes. We're given 3 t = 1 2 0 ⇒ t = 4 0 . Hence the fourth task is completed at 2:40 PM.