Question 1163215
The sum of Jan's and Bob's age is 18 years. 
<pre>
J+B = 18
</pre>
When Jan is 3 years older than 
twice her present age, 
<pre>
That will be in k years, so

J+k = 2J+3

Bob will then be B+k.
</pre>
She (Jan) will be 1.5 times as old as Bob will be in a year
after that.
<pre>
J+k = 1.5(B+k+1)

{{{system(J+B=18,J+k=2J+3,J+k=1.5(B+k+1))}}}

B=3, J=15, k=18 

Edwin</pre>