In the sixth grade of primary school, math problems are reduced by more than 300 120, reduced by 600, reduced by 240, reduced by 900 and reduced by 360. According to the advertisement in the mall, the top 100 is equivalent to several discounts of this activity. Solution: According to the meaning in the question, you will get a refund discount of 120 yuan for every product purchased at 300 yuan level, namely:

Buying a class in 300 yuan costs only 300- 120= 180 yuan, which is equivalent to playing.

180÷300=0.60=60%

A: It's equivalent to a 60% discount on sales.