Question 1150498
The age difference between my son and me is 30 years. In 3 years from today , I will be three times as old as my son.What is my age now?
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3 times as old ---> 30 is 2x the son's age.
---> 15 & 45 in 3 years.
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The hard way:
In 3 years:
D = 3S
D = S + 30
etc.