$1,240-$150-$244-$300-$50=$496 left
496/1240=x/100
x=49600/1240=40%
All you have to do is use proportions.
=)=)=)
Y = x² - 5x - 4
y = -2x
-2x = x² - 5x - 4
<u>+ 5x + 5x </u>
3x = x² - 4
0 = x² - 3x - 4
0 = x² - 4x + x - 4
0 = (x + 1)(x - 4)
0 = x + 1 or 0 = x - 4
<u>- 1 - 1</u> <u>+ 4 + 4</u>
-1 = x 4 = x
Its lowest terms are 1/16