"9 goldfish" will be the correct answer.
According to given information is the question,
Number of goldfishes Manuel has,
= 15
and it is 6 more than Quinn, then
By applying the subtraction, we can get the number of goldfishes Quinn to have will be:
= [tex]15-6[/tex]
= [tex]9[/tex]
Thus, Quinn has 9 goldfishes,
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