An object with density 150 pounds per cubic foot and dimensions 5 feet by 3 feet by 2 feet weighs

An object with density 150 pounds per cubic foot and dimensions 5 feet by 3 feet by 2 feet weighs

• A. 300 pounds
• B. 450 pounds
• C. 4,500 pounds
• D. 45,000 pounds

Answer: (C)

Weight is found by multiplying density by volume. First find the volume: 5 ft × 3 ft × 2 ft = 30 cubic feet. With a density of 150 pounds per cubic foot, the weight is 150 × 30 = 4,500 pounds. So the object weighs 4,500 pounds—the value listed for that weight.

Weight is found by multiplying density by volume. First find the volume: 5 ft × 3 ft × 2 ft = 30 cubic feet. With a density of 150 pounds per cubic foot, the weight is 150 × 30 = 4,500 pounds. So the object weighs 4,500 pounds—the value listed for that weight.