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 Lucy pick?	Choices:
A) 2 kilograms
B) 4 kilograms
C) 6 kilograms
D) 8 kilograms
E) 10 kilograms
Let x be the amount Peter picked. Then Mary and Lucy picked 2x and x+2, respectively. So   x+2x+x+2=26   4x=24   x=6   Therefore, Peter, Mary, and Lucy picked 6, 12, and 8 kg, respectively.   correct answer 8 kilograms
<result>D</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 Lucy pick?