Mary, Peter, and Lucy were picking chestnuts. Mary picked three times as much as much chestnuts than Peter. Lucy picked 4 kg more than Peter. Together the three of them picked 29 kg of chestnuts. How many kilograms of chestnuts did Mary, Peter, and Lucy pick respectively?  Select:
A) 9, 5 and 15  B) 5, 15 and 9  C) 15, 5 and 9  D) 9, 15 and 5  E) 5, 9 and 15
M = 3P   L = P+4   M + P + L = 29   3P + P + (P+4) = 29   P = 5, M = 15, L = 9   Therefore, Mary, Peter, and Lucy picked 15, 5, and 9 kg, respectively.   The answer is 15, 5 and 9.
<result>C</result>
Mary, Peter, and Lucy were picking chestnuts. Mary picked three times as much as much chestnuts than Peter. Lucy picked 4 kg more than Peter. Together the three of them picked 29 kg of chestnuts. How many kilograms of chestnuts did Mary, Peter, and Lucy pick respectively?