Total cost ($) = Price ($/pound) * Amount (pounds)

Walnuts $\displaystyle{5}{x}\usepackage{cmbright}\Huge\$ = 5.00 * $\displaystyle{x}\usepackage{cmbright}\Huge\$

Cashews 72.00 = 12.00 * 6

Total Mix $\displaystyle{8}{\left({6}{x}\right)}\usepackage{cmbright}\Huge\$ = 8.00 * $\displaystyle{6}{x}\usepackage{cmbright}\Huge\$

	Total cost ($)	=	Price ($/pound)	*	Amount (pounds)
Walnuts	$\displaystyle{5}{x}\usepackage{cmbright}\Huge\$	=	5.00	*	$\displaystyle{x}\usepackage{cmbright}\Huge\$
Cashews	72.00	=	12.00	*	6
Total Mix	$\displaystyle{8}{\left({6}{x}\right)}\usepackage{cmbright}\Huge\$	=	8.00	*	$\displaystyle{6}{x}\usepackage{cmbright}\Huge\$