You want to set up an aquarium and need to determine what size tank to buy. The graph shows tank sizes using a rule that relates the capacity of the tank to the combined lengths of the fish it can hold.

If you want four 2-inch platys, three 1-inch guppies, and a 3-inch loach, what is the smallest capacity tank you can buy?

My work:
8 + 3 + 3 = 14
So D. 14 gallon tank?

Question

You want to set up an aquarium and need to determine what size tank to buy. The graph shows tank sizes using a rule that relates the capacity of the tank to the combined lengths of the fish it can hold.

If you want four 2-inch platys, three 1-inch guppies, and a 3-inch loach, what is the smallest capacity tank you can buy?

My work:
8 + 3 + 3 = 14
So D. 14 gallon tank?

lexi724 · Answer

Ok if 8 inches is a 9 gallon tank, and 9 inches is a 10 gallon tank, 14 inches would be a 15 gallon tank. i think