Question

Find the best buy: a 48 oz Big Gulp for $1.39 or a 32 oz Coke for $0.89. Give each unit rate and determine which one is the better buy.

A) Big Gulp: $0.0289 per oz, Coke: $0.0278 per oz - Big Gulp is the better buy
B) Big Gulp: $0.0289 per oz, Coke: $0.0278 per oz - Coke is the better buy
C) Big Gulp: $0.029 per oz, Coke: $0.0278 per oz - Big Gulp is the better buy
D) Big Gulp: $0.029 per oz, Coke: $0.0278 per oz - Coke is the better buy

Answer 1

To find the better buy, we calculated the unit rates of the two options. The Big Gulp is priced at $0.0289 per oz, whereas the Coke is at $0.0278 per oz, making Coke the better buy.

Step-by-step explanation:

To determine the better buy between the two drink options, we calculate the unit rate for each, which is the cost per ounce.

• For the Big Gulp: divide the total cost $1.39 by the total ounces 48. $1.39 ÷ 48 = $0.0289 per oz.
• For the Coke: divide $0.89 by 32 ounces. $0.89 ÷ 32 = $0.0278 per oz.

Comparing these unit rates, we see that the Coke's cost per ounce is a slightly better deal at $0.0278 per oz. compared to the Big Gulp's $0.0289 per oz. Therefore, the correct answer is: Big Gulp: $0.0289 per oz, Coke: $0.0278 per oz - Coke is the better buy, which corresponds to option B.