G = gallon
When she fills up her 50 gallon fish tank, g will be 50...?
Use the distributive property:

And

1.The answer would be D. 0.28 per lb per year.
2. The answer would be C. between 10 and 20 minutes.
Hope this helps:)
Fin a common number all of the numbers shown have in common. Like multiply 7 x 5 x 6 and you get 210. and for .4 the simplified version of that in 2/5