human
Randy has $30. He spent $10 buying his lunch. He spent a quarter of the money he had left on an ice cream cone. What is the amount of money, in dollars, Randy has left?
assistant
How much money does Randy have left after buying lunch? ** Randy has 30-10=<<30-10=20>>20 dollars left after buying lunch.
How much money did Randy spend on the ice cream cone? ** Randy spent 20/4=<<20/4=5>>5 dollars on the ice cream cone.
How much money does Randy have left? ** Randy has 20-5=<<20-5=15>>15 dollars left.
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