Hannah brought $30 to the county fair. She spent half of it on rides and another $5 on dessert. How much, in dollars, is left?
She spent $30/2=$<<30/2=15>>15 on rides.
She spent a total of $15+$5=$<<15+5=20>>20 including dessert.
She has $30-$20=$<<30-20=10>>10 left.
#### 10