Greg has decided to go on a diet. He presently weighs 240 lbs. and wants to weigh 200 lbs. His bathroom scale measures weight in kilograms (he got a good deal on Amazon). What should Greg's desired weight be, measured to the nearest kilogram? (1 lb. is approximately 0.45 kilogram)

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.