Lena, Ira, Rita and Zina — sisters. To them 2, 7, 16 and 13 years (it is unknown, to whom how many). It turned out that the sum of age of Rita and Ira is divided into 44, and Rita and Zina — on 55. How many years to Lena?

180
13+2=15 is divided into 5. 13+7=20deltisya on 4. 13 years Rita. 16 years Lena. Answer: Lena is 16 years old. But this decision is right if there 4 and 5. As the sum of age of 2 girls is less also than 44 and 55. Conditions-incorrect @
260
Answer add