Mary Jo spends $2,220 to buy stock in two companies. She pays $23 a share to one of the companies and $17 a
share to the other. If she ends up with a total of 120 shares, how many shares did she buy at $23 a share and how
many did she buy at $17 a share?

Mary Jo spends 2220 to buy stock in two companies She pays 23 a share to one of the companies and 17 a share to the other If she ends up with a total of 120 sha class=