A 50-ounce bottle of laundry detergent costs $6.50. A 100-ounce bottle costs $12.00. Which bottle is the better buy?

The 50-ounce bottle is the better buy.

The 100-ounce bottle is the better buy.

There is not enough information to decide.

A small bag of chips costs $2.50 and a large bag costs $4.00. Which statement is always true about finding the better buy?

The small bag is the better buy because the total price is lower.

The large bag is the better buy because it contains more chips.

You must know the weight of each bag to calculate and compare the cost per ounce.

You subtract the prices to find the difference in value.