A commodity is priced at a 25% profit, and then sold at a 10% discount. As a result, each commodity makes a profit of 20 yuan. How much is the cost of this commodity?

A commodity is priced at a 25% profit, and then sold at a 10% discount. As a result, each commodity makes a profit of 20 yuan. How much is the cost of this commodity?

Suppose the cost price is x yuan, from the meaning of the question: (1 + 25%) × 90% x-x = 20, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 1.125x-x = 20, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & 0.125x = 20, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp