5) Ali plans to go to college in a year and needs to save for tuition. He invests his summer earnings of $ 3050, part at 8% interest per year, and part at 7.5 % per year. After one year, he has earned a total of $234 in interest. How much did he invest at each rate? 6) Abby mixes cinnamon and nutmeg to make 25 g of a spice mix. Cinnamon costs 9 cents/g and nutmeg costs 12.5 cents/g. The spice mix costs 9.7 cents/g. How much of each spice does Abby need to use? ANS: C = 20 and N = 5