If a brick weighs 1 lb, then half a brick would weigh 0.5 lb. Therefore, 1 and a half bricks would weigh 1 lb (for the full brick) + 0.5 lb (for the half brick) + 1 lb (for the additional brick) = 2.5 lbs.
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If a brick weighs 1 pound plus half a brick, then the 1 pound is half a brick.
So a whole brick weighs 2 pounds.
One and one half bricks weigh (1.5 x 2) = 3 pounds.
Half a pound.
1 sq.ft. = 12 x 12 inches = 144 sq.inches 1 brick is 8 x 4 inches = 32 sq.inches 144 / 32 = 4.5 bricks (four-and-a-half bricks).
9 x 1.5 = 13.5 lbs.
weight_bag = 1kg + ½ × weight_bag → ½ × weight_bag = 1 kg → weight_bag = 2 × 1 kg = 2 kg.
The density of lead is 11.34g per cubic centimetre. As there are 16.387 cubic centimetres in one cubic inch, one cubic inch of lead weighs 11.34 X 16.387 or 185.83grams. In ounces this is 6.55 (or just over 6 and a half) ounces.