A vendor sells cartoons of milk, boxes of orange juice, and bottles of water. • Each carton of milk costs $1.25.
• Each box of orange juice costs $0.75.
• Each bottle of water costs $1.00.
• The vendor sells exactly twice as many bottles of water as cartons of milk.
• The vendor sells 42 total drinks for a total of $43.50.
How many of each drink does the vendor sell?