The mass of four centimeters of a cubic flying bar with dimensions of 10x5x2 cm is 34 grams. Find the mass of the entire bar.
Let’s find the volume of the entire bar by multiplying its length, width and height among themselves.
10 * 5 * 2 = 100 cm3.
Let’s make the proportion and find the mass of the brass bar.
4 cm3 is 34 g,
100 cm3 – x g.
x = 34 * 100: 4 = 850 grams.
Answer: the mass of the whole bar is 850 grams.
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