<em> A number on the left is less than a number on the right. A number on the right is greater than a number on the left. You can also try the zoomable number line. Place these people on the number line to find who is poorest and who is richest.</em>
ANSWER: x=12 EXPLANATION: 9+x/6=11 (54+x)/6=11 (finding common denominator) x/6=11-54/6 (rearranging terms) x/6=(66-54)/6 (finding common denominator so 6 gets cancelled from both the sides) x=12