Question 1190874
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Let x and 3x be their ages 1 year ago.<br>
The difference in their ages (now and always) is 18:<br>
{{{3x-x=18}}}
{{{2x=18}}}
{{{x=9}}}<br>
Their ages 1 year ago were x=9 and 3x=27.<br>
ANSWER: Their ages now are 10 and 28<br>