I really need help on this one, I don't understand. Please help if you can Saul makes green paint by mixing blue paint and yellow paint.
For every 4 gallons of green paint, he uses 3 gallons of blue paint.

Drag the correct number of each type of paint into the box that would make 16 gallons of paint the same shade of green as Saul's.

Anwser:

The ratio of Saul's exact color is 3:1, so to make 16 gallons of paint he would mix 12 gallons of blue with 4 gallons of yellow. Hope this helps!

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!