Wo lines, e and f, are represented by the equations given below. line e: 5x + 5y = 40 line f: x + y = 8 which statement is true about the solution to the set of equations?

Ahousekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of gallon of blue paint to gallon of yellow paint will make the same shade of green paint