1.6 ounces of cinnamon sticks and 9.4 ounces of cocoa. The equation for this would be 3.25s + 0.75c = t, where s is the amount of cinnamon sticks, c is the amount of cocoa, and t is the total price.
Take the total cost and subtract the registration fee. 56.25-12.5=$43.75 The remainder is what was spent on swim classes so divide by the cost of the swim classes. $43.75/8.75=5 swim classes