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Mathematics, 05.11.2020 03:00 toribrown3773

There are 13 fish in an aquarium. Seven of the fish are guppies. How many non-guppies are in the aquarium?
A. the number of guppies
B. the total number of fish
C. the number of non-guppies
( what is the variable in the problem?)

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There are 13 fish in an aquarium. Seven of the fish are guppies. How many non-guppies are in the aq...
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