human
Gerald works at a daycare that pays him $30 every day. He worked for an entire week and spent a total of $100. How much does he have left?
assistant
How much does he earn in a week? ** He earns $30 daily for a week (7 days) for a total earnings of $30*7 = $<<30*7=210>>210
How much does he have left? ** He spent $100 leaving him with $210-$100 = $110
#### 110