42 divided by 7/8 equals 48
For 7 servings you will need 21 teaspoons of mix and 7 cups of water.
For 2 servings you will need 6 teaspoons of mix and 2 cups of water.
It is c $1.15 if u do the 27.60 divied by 24 u get dollar.15 cents
To find how much each pound of beans costs (assuming no tax), we get 19.75/2.5 (as we want to figure out how much 2.5 goes into 19.75) to get 7.90 as our cost per pound