Chapter 1.8, Problem 42ES

To determine

The family will save the money or not by ordering (b). If the family save the money then state how much amount will be save the family.

The orders of family are:

a) $6$ hot dog, $4$ orders of onion rings, and $4$ soda.

b) $4$ Hamburgers, $4$ orders of French fries, $2$ apple, and $4$ sodas.

The prices of menu from a concession stand at the county fair are shown in table below:

$\begin{array}{cc}\text{Item}& \text{Price}\\ \text{Hot}\text{dog}& \$3\\ \text{Hamburger}& \$4\\ \text{Soda}& \$1\\ \text{Onion}\text{rings}& \$3\\ \text{French}\text{fries}& \$2\\ \text{Apple}& \$1\\ \text{Candy}\text{bar}& \$2\end{array}$