Answer:
15 bags
Step-by-step explanation:
25 * 18 yard^2 = area
so, Area/Fertilizercoverrate = what we want.
25*18/30 = <u><em>15 bags</em></u>
2=6
4=8
6=10
8=12
I added +4 for each

is the formula you need do you divide 47.1 by 2 and

so its aproximatly 7.5 or 7.496
Y=-1.5x+1.5
we can see the y-intercept is at (0, 1.5).
And when the line goes to the right 1 unit, it's at (1, 0), which is going down 1.5 units, meaning the slope is -1.5x. you can check this in desmos graphic calculator and you'll see the points on the line if you want