The money received is the whole bar: the takings from the 45 melons plus the takings from the remaining 55 melons.<br><br>[[model:questions/solutions/q4133.png]]<br><br>• 45 melons → 45 × $6 = $270<br>• Rest → 100 − 45 = 55 melons<br>• 55 melons → 55 × $5 = $275<br>• Total → $270 + $275 = $545<br><br>Tom received $545 from selling all the melons.<br>Check: $270 + $275 = $545, from 45 + 55 = 100 melons. ✓