4. The graph below shows the number of bicycles sold in a 6-month period by Darnell's bicycle shop.
Monthly Bicycle Sales
250
PIOS
200
150
Number of
Bicycles
100
50
January
December
November
October
September
August
Based only on the information in the graph, which statement is valid?

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.