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

Walnuts $\displaystyle{x}+{5.5}\usepackage{cmbright}\Huge\$ = 5.50 +
$\displaystyle{x}\usepackage{cmbright}\Huge\$

Cashews 115.50
= 10.50
+
11

Total Mix $\displaystyle{8.25}+{\left({x}+{11}\right)}\usepackage{cmbright}\Huge\$ = 8.25 +
$\displaystyle{x}+{11}\usepackage{cmbright}\Huge\$

	Total cost ($)	=	Price ($/pound)	+	Amount (pounds)
Walnuts	$\displaystyle{x}+{5.5}\usepackage{cmbright}\Huge\$	=	5.50	+	$\displaystyle{x}\usepackage{cmbright}\Huge\$
Cashews	115.50	=	10.50	+	11
Total Mix	$\displaystyle{8.25}+{\left({x}+{11}\right)}\usepackage{cmbright}\Huge\$	=	8.25	+	$\displaystyle{x}+{11}\usepackage{cmbright}\Huge\$