05. Divided by 26.75

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

What expression is equivalent to (84+16)