The calculation method of this math problem is as follows:
A mathematical formula is calculated like this. For example, 2500 yuan is 20% off, so the current price is
2500x0.8
=2000
A mathematical formula is calculated like this. For example, 2500 yuan is 30% off, and the current price is
2500x0.7
= 1750
A mathematical formula is calculated like this. For example, a commodity with a price of 2500 yuan is 60% off, and the current price is
2500x0.6
= 1500
A mathematical formula is calculated like this. For example, give a discount for a product of 2500 yuan. The current price is
2500xa÷ 10
=250a