Isabel has $204 in her piggy bank. She spent half the amount and bought a toy. She then spent half of the remaining money and bought her brother a book. How much money, in dollars, was left over?
After buying the toy, Isabel has 204/2=<T>divide(204, 2)=102.0 dollars left.
Isabel has 102/2=<T>divide(102, 2)=51.0 dollars left.
