The bottom of the fish tank shown is filled with rocks. The tank is then filled withwater to a height of 18 inches. When the rocks are removed, the height of the waterdrops to 16.5 inches. How many cubic inches of water do the rocks displace?
A. 280
B. 420
C. 560
D. 980
Answer:B
The bottom of the fish tank shown is filled with rocks. The tank is then filled withwater to a height of 18 inches. When the rocks are removed, the height of the waterdrops to 16.5 inches. How many cubic inches of water do the rocks displace?
A. 280 B. 420 C. 560 D. 980
Explanation: B