human
John takes care of 10 dogs. Each dog takes .5 hours a day to walk and take care of their business. How many hours a week does he spend taking care of dogs?
assistant
How many hours does John spend taking care of dogs? ** He spends 10*.5=<<10*.5=5>>5 hours per day
How many hours does John spend taking care of dogs? ** That means he spends 5*7=<<5*7=35>>35 hours per week
#### 35