+197 This year, the ratio of Jack's age to Keith's age is 3 : 5.
Last year, their average Aachen was 27 years old. How old is Jack now?
+318 Total age last year --> 27 * 2 = 54
Total age this year --> 54 + 2 = 56
8 --> 56
1 --> 7
3 --> 21
Jack's age is 21 yrs old
