Nathan buys coffee and hot chocolate for his co-workers. each cup of coffee costs $1.65 and each cup of hot chocolate costs $1.05. if he pays a total of $9.75 for 7 cups, how many of each does he buy?
He buys four cups of the coffee which is a total of : $6.60 and three of hot chocolate which is a total of $3.15 You add $6.60 +.$3.15 ------------- $ 9.75
