Question

Dish detergent is sold in three different sizes. To save money you want to buy the size that gives you the best deal. Determine which of the sizes has the best unit cost.

Answer 1

when looking at real world problems it would always be the biggest.

Explanation:

when buying in bulk product is cheaper to ship as well as it being harder to sell larger amounts meaning companies market the largest version of their product in an attempt to sell more product.