5,000+400+80+4+.3+.06+.006
X=brick y=sticks
x=2y
4x+4y=771
4(2y)+4y=771
8y+4y=771
12y=771
y= 771/12
y = 64.25
x = 64.25*2=128.5
Answer:
128.5+64.25*3=321.25kg
You would find the dimensions of the object that you are drawing then divide it by .16
The answer is B.
When you set up a ratio of all the corresponding sides, the ratios all equal 2:1