SOLUTION: Jamal will be a years old in four years'time. How old was he eight years ago in terms of a.

Question 1143697: Jamal will be a years old in four years'time. How old was he eight years ago in terms of a.
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Subtract 4 from his age 4 years from now (a) to get his current age. (How do you write "4 less than a"?)

Then subtract 8 from his current age to get is age 8 years ago. (How do you write -- and simplify -- "8 less than 4 less than a"?)

Of course, with a little experience with this kind of problem, you can simply subtract 12 from his age 4 years from now to get his age 8 years ago, since there is a difference of 12 years between "4 years from now" and "8 years ago".
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