Skip to main content

2015 AMC 12B Problem 2

Problem 2 of 25EasierArithmetic

Marie does three equally time-consuming tasks in a row without taking breaks. She begins the first task at 1:001{:}00 PM and finishes the second task at 2:402{:}40 PM. When does she finish the third task?

Answer choices

Show solution

Solution

The first two tasks together take 100100 minutes, so each task takes 5050 minutes. The third task finishes 5050 minutes after 2:402{:}40 PM, at 3:303{:}30 PM. Thus, the correct answer is B.
AoPS wiki

Tagged: date and time · rate

More practice