If the purchase price of a commodity is doubled and the price is marked, how much discount can we get if we want to get a 20% profit margin For example: how much discount can I get if I double the price of a commodity to get a 20% profit margin? Yes, there is a reward!

If the purchase price of a commodity is doubled and the price is marked, how much discount can we get if we want to get a 20% profit margin For example: how much discount can I get if I double the price of a commodity to get a 20% profit margin? Yes, there is a reward!

10% off
2*(x/10)-1=0.2
X = 60% off