Great Buy sold a total of 80 CDs and sweaters on Tuesday. It sold 9 times as many CDs as sweaters. How many CDs were sold?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit