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Answer:
264.
Step-by-step explanation:
Let x represent the number of trout in the lake.
We have been given that a group of naturalists catch, tag and release 121 trout into a lake. The next day they catch and release 48 trout, of which 22 had been tagged.
Using proportions, we will get:






Therefore, there would be approximately 264 trout in the lake.
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40 * 75% = 30
40 + 30 = 70
The price is $70.
5/21 is the answer to this question.