<PRE><B>Question 531891</B>
12-in by 8-in by 6-in block of aluminum is 18.7 pounds,
Volume = 12*8*6 = 576 in^3

weight = 18.7 

density = mass /volume
density = 18.7/576
density = 0.032 lb/cu.in

 find the weight of a

Volume of block  16-in by 10-in by 4-in block.

Volume = 640 cu.in
Mass = Density * volume
Mass = 0.032*640
Mass = 20.78 pounds

m.ananth@hotmail.ca
I have ni clue how to solve it. </PRE>