Question 1144357
<br>
Bad data -- no integer solution.<br>
Robert: x  (oldest)
Kevin: x-9  (9 years younger than Robert)
Monica: x-13  (4 years younger than Kevin)<br>
{{{x+(x-9)+(x-13) = 37}}}
{{{3x-22 = 37}}}
{{{3x = 59}}}<br>
x = 19 2/3