Acontainer shaped as a rectangular prism can hold 756 wooden cube blocks with edge lengths of 1/3 ft. what is the volume of the container?

Volume is how many units an object can hold inside of it. I am not 100% sure that this would be the correct way to solve the problem but here is my suggestion:

Since volume is how many units an object can hold inside of itself, and we know that this rectangular prism can hold 756 wooden blocks with edge lengths of 1/3 ft.,  I would suggest first finding the volume of those little wooden blocks and then multiplying that answer by 756. Since each wooden block has 1/3 ft. as its edge measurement, multiply 1/3 x 1/3 x 1/3. This will give an answer of 1/27, or 0.037 repeating if you use a decimal. Now multiply that by 756. When 1/27 is multiplied by 756, the answer is 28. 

So your answer should be 28 ft.^3

Note: Like I said in the beginning, I am not 100% sure that that is the correct way to solve the problem, but that is how I would try to solve it.

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.