Problema Solution
South African ironwood is the worlds heaviest wood, weighing about 90 lb/ft^3. How much would an 8 in cube weigh?
Answer provided by our tutors
answer: 26.67 lbs
(x) lbs/(8 in)^3 = (90 lbs / 1 ft^3)(1 ft^3 / (12 in)^3)(8 in)^3
= 26.67 lbs
This is basic quantitative analysis, so you must simply cancel out the units appropriately to arrive at your solution.