Discriminant of 2x2 - 4x + 7 = 0

Write a real-world word problem that can be solved by adding 34.99 and 5.79. then solve

Write a corresponding real world problem to represent 2x - 125=400

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.