Jake agrees to work part of his debt off.  He owed someone $100 but paid them $40 before agreeing to work off the rest.   He worked for $15 an hour.  How many hours did he have to work? Let's think step by step and output the final answer after "####".
user
He has to work off $100-$40=$<<100-40=60>>60.
So he has to work $60/15=<<60/15=4>>4 hours
#### 4
Jake agrees to work part of his debt off.  He owed someone $100 but paid them $40 before agreeing to work off the rest.   He worked for $15 an hour.  How many hours did he have to work?
train