In 5 years, Andy will be twice as old as Rahim is now. Rahim is 6 now. How much older is Andy than Rahim, right now, in years?
Think hard. Detailed solution:
1
Andy will be 2 * 6 = 12.

Now he is 12 - 5 = 7.

So Andy is 7 - 6 = 1 year older than Rahim.

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So, the final answer is 1