keeping in mind that there are 2000 lbs in 1 ton, and that there are 100 cents in $1.
[tex]\bf \cfrac{180\underline{\$}}{\underline{ton}}\cdot \cfrac{\underline{ton}}{2000lbs}\cdot \cfrac{100cents}{\underline{\$}}\implies \cfrac{180\cdot 100~cents}{2000~lbs}\implies 9\frac{cents}{lbs}[/tex]
