5. On the day the Ice Palace opened, the children made plans to go there together to escape the heat. In front of the Ice Palace, there was a staircase. Alice took 20 steps in 120 seconds. At the same speed, Alice walked for a total of 180 seconds, completing all the steps. The total number of steps to the Ice Palace is.
Answer: 30 steps
Exam Point: Application of Multiplication and Division
Analysis: 20 steps took 120 seconds, which means each step takes $120 \div 20=6$ (seconds); therefore, in 180 seconds, one can walk: $180 \div 6=30$ (steps)