Nathan wants to buy trading cards. Superstar packages cost 3.23 each and mixed packages cost 1.78 each. Nathan buys 7 packages and spends a total of 15.36. How many of each type of package did he buy?

Nathan wants to buy trading cards Superstar packages cost 323 each and mixed packages cost 178 each Nathan buys 7 packages and spends a total of 1536 How many o class=