Question 1096772

Olan is three years older then Mary. One-third of Olan's age is two years less than one-half his sister's age one year ago. Find their ages now.

Please help me answer this question.
<pre>I take it Mary is Olan's sister. 
Correct answer: {{{highlight_green(matrix(2,3, "Mary's", "age:", 21, "Olan's", "age:", 24))}}}
IGNORE anyone who says otherwise!