
Sums of cubes can be factored as

So

Answer:
FG=13
Step-by-step explanation:
We can make an equation that looks like this:
EF+FG=EG
Then, we can substitute in the numbers we know:
12+FG=25
Then solve:
FG=25-12
FG=13
Hope I helped soz if I'm wrong ouo.
~Potato.
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Answer:
3
Step-by-step explanation:
15 fish / 5 days = 3 fish per day