Question 1
Emma is twice as old as Saachi was 7 years ago. The difference between their ages is 9 years. How old is Emma?
Let Saachi's current age = x
Then 7 years ago, Saachi was (x - 7)
Emma = 2(x - 7) = 2x - 14
Difference: Emma - x = (2x - 14) - x = x - 14
Given difference = 9
So x - 14 = 9 → x = 23 = 23
Then Emma = 2(23 - 7) = 32
Then 7 years ago, Saachi was (x - 7)
Emma = 2(x - 7) = 2x - 14
Difference: Emma - x = (2x - 14) - x = x - 14
Given difference = 9
So x - 14 = 9 → x = 23 = 23
Then Emma = 2(23 - 7) = 32