# University representative: This week, the University is offering an additional 20% discount on any course, on top of the 30% discount you have already received. Potential student: is that 20% off the original price or 20% off the reduced price? University representative: what's the difference? Potential student: I expect the difference is over $100. If the regular price of a course is $2000, is the student’s expectation correct? Justify your answer with mathematics.

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