1. (x+0.5)*(n-16)=nx=2.4$
nx-nx -16x +0.5n-8=0
-16x=8-0.5n
x=(n/32)-0.5
2....nx=2.4$ or x=2.4/n
(2.4/n)=(n/32)-0.5
(76.8/n) =n -16
76.8 =n^2 -16n
n^2 -16n -76.8=0
quadratik equashun giv roots
=19.8321596 or -3.8321596
neether number make NE sens..
yu oenlee spend 2.4$ for sumthun that kost bout 1 $
yu oenlee get bout 2 ...so wen pries go up yu bi -14????????