Difficulty Level: Easy
Stats: 1,729 / 3,375 ( 51.23% ) got this right

Allen works twice as fast as Beth. If Beth can complete a work in 12 days independently, the number of days in which Allen and Beth can together finish the work in:

  • 4 days
  • 5 days
  • 6 days
  • 8 days
  • 10 days