You recycled a total of 30 cans and bottles and made $1.80. For cans you get $0.05 and for bottles you get $0.15. How many cans did you recycle?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.