Weekly Puzzle: This round's on us - Genii Online

Welcome to GeniiOnline's Weekly Puzzle, powered by Art of Play! We'll bring you a new puzzle every Monday, then publish the solution on Tuesday.

Beer and Wine

If a cup of wine costs $5, a cup of beer costs $4 and a cup of water costs a quarter ($0.25), how many cups of wine, beer and water can be purchased with $100 to wind up with exactly 100 drinks total?