A real estate agency offers three apartments for rent In New Mexico City. The expected total revenue per month from monthly rentais for the three apartments Is $1,600. The Indvidual owners of these apartments bear the monthly malntenance costs of 20% of the rent for the first two
apartments and 25% of the rent for the third apartment, which is a total amount of $345. The agency charges monthly fee equal to 10% of the
rent for apartments 1 and 3 and fee equal to 20% of the rent for apartment 2. The monthly rent plus agency fees totals $1,820. Let x, y, and z
represent the monthly rental for the first, second, and third apartments, respectively.