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

Walnuts $\displaystyle{6.5}{x}\usepackage{cmbright}\Huge\$ = 6.50 * $\displaystyle{x}\usepackage{cmbright}\Huge\$

Cashews 77.00 = 11.00 * 7

Total Mix $\displaystyle{8.60}{\left({x}+{7}\right)}\usepackage{cmbright}\Huge\$ = 8.60 * $\displaystyle{x}+{7}\usepackage{cmbright}\Huge\$

	Total cost ($)	=	Price ($/pound)	*	Amount (pounds)
Walnuts	$\displaystyle{6.5}{x}\usepackage{cmbright}\Huge\$	=	6.50	*	$\displaystyle{x}\usepackage{cmbright}\Huge\$
Cashews	77.00	=	11.00	*	7
Total Mix	$\displaystyle{8.60}{\left({x}+{7}\right)}\usepackage{cmbright}\Huge\$	=	8.60	*	$\displaystyle{x}+{7}\usepackage{cmbright}\Huge\$