Answer:(12,17)
Step-by-step explanation:
X + y= 29
4.50x + 7y=173
Solve by elimination.
To generate the equation we set up the factors
(x+3) * (x-1) * (x-2) which equals
x^2 + 2x -3 * (x-2)
x^3 +2x^2 -3x -2x^2 -4x +6 equals
x^3 -3x -4x +6 which equals
x^3 -7x +6
125=5 packets of pencils
each package contains 8 red
5 packages contain 5×8=40
In 125 pencils 40 are red.