Human: James is running a fundraiser selling candy bars.  Each box has 10 candy bars in it.  He sells 5 boxes.  He sells each candy bar for $1.50 and buys each bar for $1. How much profit does he make from these sales? Assistant:
He makes 1.5-1=$.5 from each candy bar
He sells 5*10=50 candy bars
So he makes 50*.5=$25