Question 1196255
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Just a note of information for you regarding this problem (which has nothing to do with math.)<br>
The plural of trout, "trouts", indicates you are talking about different kinds of trout.  The way this problem is worded, the conservationist caught 450 different KINDS of trout (and we don't know how many of each kind he caught).<br>
Assuming the likely case where all the trout are of the same kind, the plural should not be used, so the statement of the problem should say that he caught 450 trout -- not 450 trouts.<br>