选择题
2006 AMC 8 Problem 21: Aquarium Water Rise
An aquarium has a rectangular base that measures 100 cm by 40 cm and has a height of 50 cm. The aquarium is filled with water to a depth of 37 cm. A rock with volume 1000 cm^3 is then placed in the aquarium and completely submerged. By how many centimeters does the water level rise?
A.
0.25
B.
0.5
C.
1
D.
1.25
E.
2.5