How much of a(n) 70% orange juice drink must be mixed with 10 gallons of a 10% orange juice drink to obtain a mixture that is 50% orange juice?

europa2433

europa2433

step-by-step explanation:

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this