1. What is the unit rate for each size of peanut butter?Regular: $16 per ounceFamily size: $40 per ounce
2. Which size is the better buy?The family size is the better buy.
Given:
Cost of a game = $39.99
Shipping charge = $4.85
Let,
number of video games be "n"
Now,
total cost = (cost of each game * total no. of games) + shipping charge
= $39.99n + $4.85
So, you use the above equation to find the total cost of video games.