Do 27.5x10=2.750 it will give you that. Hope it helps
X pounds of apples were sold
Y pounds of peaches were sold
{1.75X+2.5Y=337.5
{X+Y=164
{X=164-Y
{1.75*(164-Y)+2.5Y=337.5
0.75Y=337.5-287
Y=67.333
There are 67.333 pounds of peaches were sold.
Answer: -116 is value of discriminant
