Three brothers are saving for a special journey. The ratio of Nick's savings to Liam's savings is 9:2 and the ratio of Liam's savings to Martin's savings is 2:5. Together all 3 brothers have saved $64.
How much has each boy saved? Answer questions 3-4.
3. How can you use a diagram to make sense of the problem?
You can draw 3 bar diagrams. Nick's is squares long, Liam's is squares long, and Martin's
is squares long. Then, use the diagrams to show $

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.