Solve please I don’t know how to do this.

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

Solve the system of equations y= 3/2 - 1, -x+ y =-3

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square