Markers are sold in boxes packs or as single markers each box has 10 packs each pack has 10 markers draw picture to show two ways to buy 276 markers

2 boxes and 15 packs

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.