The number of fish (F) in a fish tank increases when the number of plants (P) increases. Write the correct equation for this scenario, and solve for the number of fish when the number of plants is 3.

Plants Fish
15 6
20 8

F = P; F = 3
F = .4P; F = 1.2
F = 90 over P; F = 30
F = 90 over P; F = 270

Question

The number of fish (F) in a fish tank increases when the number of plants (P) increases. Write the correct equation for this scenario, and solve for the number of fish when the number of plants is 3.


Plants            Fish
15                   6
20                   8
 
F = P; F = 3
 F = .4P; F = 1.2
 F = 90 over P; F = 30
 F = 90 over P; F = 270

mathstudent55 · Answer

Use the information above as ordered pairs of the form (P, F).
Then find the equation of the line that goes through the two given points.

macgirl234 · Answer

So, by doing that, I find that the slope is 5/2. Correct?

macgirl234 · Answer

I'm very confused...