The table below shows the prices of items at a local store that are used for making a homemade 3
Chex Mix. Joseph buys z pound of Chex cereal,
1
4
3
pound of pretzels and
4
pound of bagel chips.
Item
Chex Cereal
Pretzels
Bageſ Chips
Cost (per pound)
$4.99
$3.50
$5.20
a) Write an expression for Joseph's total cost and
b) Use your expression from Part A to find how much Joseph spends on his trail mix.