A un numero de tres cifras se le resta el que resulta de invertir el ordenbde sus cifras que empieza en 2. Si la suma del numero y el que resulta de invertir el orden de sus cifras es 1655, determina el complemento aritmético del número

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total