Question 1
Isabella is 4 times as old as Tripti. 6 years ago, the sum of their ages was 113. How old is Tripti now?
Let Tripti = x, then Isabella = 4x
6 years ago: (4x - 6) + (x - 6) = 113
(4+1)x - 12 = 113
(5)x = 125
x = 25
6 years ago: (4x - 6) + (x - 6) = 113
(4+1)x - 12 = 113
(5)x = 125
x = 25