Mary, Peter, and Lucy were picking chestnuts. Mary picked twice as much chestnuts than Peter. Lucy picked 2 kg more than Peter. Together the three of them picked 26 kg of chestnuts. How many kilograms did each of them pick?
Choose the most appropriate option: A) 5, 12, and 8 kg B) 6, 12, and 8 kg C) 7, 12, and 8 kg D) 8, 12, and 8 kg E) None
Solution:   Let x be the amount Peter picked. Then Mary and Lucy picked 2x and x+2x+2, respectively. So   x+2x+x+2=26   4x=24   x=6   Therefore, Peter, Mary, and Lucy picked 6, 12, and 8 kg, respectively.   Answer 6, 12, and 8 kg
<result>B</result>
Mary, Peter, and Lucy were picking chestnuts. Mary picked twice as much chestnuts than Peter. Lucy picked 2 kg more than Peter. Together the three of them picked 26 kg of chestnuts. How many kilograms did each of them pick?