Se reparten S/. 525 entre 3 personas, de manera que la segunda tenga S/. 40 menos que la primera, y la tercera S/. 45 mas que la primera y la segunda juntas, ¿CUANTO TIENE LA 3ER PERSONA?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.