You are bidding on a new job to Zamboni the ice on a local hockey rink. There are eight rinks in the arena. The rink is 200 feet by 80 feet. The Zamboni cleans the ice with a blade length of 25 inches. The Zamboni moves around the rink at about 3 miles per hour and can only clean moving along the long side of the rink. It cannot maneuver on the short side.​

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.