Paul’s bathtub is clogged. He has to empty 30 liters of water by hand. Paul has a three-liter, a 4-liter,…
Paul’s bathtub is clogged. He has to empty 30 liters of water by hand. Paul has a three-liter, a 4-liter, and a 5-liter bucket. If Paul carries 2 buckets each trip, what combinations of sizes allow to empty the bathtub in exactly four trips?