human
Mark got a 5% raise at his job. Before the raise, he earned 40 dollars per hour. He works 8 hours per day for 5 days per week. His old bills used to be 600 dollars a week but he decided to add a hundred dollar a week personal trainer. How much does he have leftover a week?
assistant
How much does Mark earn after the raise? ** After the raise he earns 40*1.05=<<40*1.05=42>>42 dollars an hour
How much does Mark earn in a day? ** He works 8 hours per day so earns 42*8=<<8*42=336>>336 per day
How much does Mark earn in a week? ** He works 5 days per week so he earns 336*5=<<336*5=1680>>1680 a week
How much are Mark's expenses after adding the personal trainer? ** His expenses after adding the personal trainer are 600+100=<<600+100=700>>700 a week
How much does Mark have left over a week? ** So he has 1680-700=<<1680-700=980>>980 left over
#### 980