To solve this, first make an equation:
After you solve this, you get x = 1.0399, but we have to subtract 1 so we get 0.0399 which is
3.99%
The equation of a line is Y=mx+b
You know that the slope is -2 and the slope is 'm' so sub it into the equation.
Y=-2x+b
To have an equation of a line you need the 'b' or 'y' intercept and the slope.
This means you have to find the 'b' because you already know the slope which is -2. To find the 'b' you have to sub in the coordinates and then solve for 'b'
Y=-2x+b
(x,y)
(3,0)
0=-2(3)+b
0=-6+b
6=b
Therefore the equation of the line is Y=-2x+6 <span />
180*60%=180*60/100=10800/100=108
180+108=288
So the total population os school is 288 students!
If you have any questions ask down below!
Can you show the problem ?
