You have to use the formula cost over quantity
Divide 8 and $2.88
The answer is.
0.36
248,700
682 is closer to 700 than to 600
Y = -15 is the answer and blah
N=d-2
q=n+d =>q=(d-2)=q=2d-2
25q+5n+10d=525
replace q and n with d
25(2d-2) +5(d-2)+10d=525
50d-50+5d-10+10d=525
65d=585
d=9
n=7
q=16
