Asked by O

if iron weighs 0.25lbs. per cubic inch, an iron bar 8'6" by 4" by 1/2" weighs?
Answered by Ms. Sue
8' 6" = 102 inches

V = 102 * 4 * (1/2)

V = 204 cu. in.

204 * 0.25 = _____ weight of iron bar