Posted by Stacy on Saturday, May 14, 2011 at 11:17pm.
30+x=3(6+x)
first observe that you are 24 years older than your son. also, since we are required of the ages, we represent these unknown ages using variables:
let x = your son's age
let x+24 = your age
note that when your son's age is x years, you are three times as old. therefore,
3x = x+24
3x-x = 24
2x = 24
x = 12 years old (age of your son)
and your age is
x+24 = 36 years old
checking: note that 12*3 = 36, which satisfies the condition given.
hope this helps~ :)
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