Pool all three amounts into one bar, then split it into 3 equal shares. Each equal share is the average.<br><br>[[model:questions/solutions/q4653.png]]<br><br>• Total → $8 + $13 + $9 = $30<br>• Each share → $30 ÷ 3 = $10<br><br>Each will have $10.<br>Check: 3 × $10 = $30 = $8 + $13 + $9. ✓