year 2015 year 2019 Lexi 26+2k Janet 2k Kay k 23
In the year 2015, Kay was 23-4 = 19 years old. Hence, in the year 2015, Janet was 2*19 = 38 years old. It means that in the year 2015 Lexi was 38+26 = 64 years old. Hence, Lexi was born in the year 2015 - 64 = 1951. ANSWER