A lake contains 250250 trout, along with a variety of other fish. When a marine biologist catches and releases a sample of 180180 fish from the lake, 3030 are identified as trout. Assume that the ratio of trout to the total number of fish is the same in both the sample and the lake. How many fish are there in the lake?
A. 1250
B. 1500
C. 1750
D. 1800
E. 2000

Fraction and percentage word problems中文
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B. 1500

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