Answer:
C. One case of 24 sodas at $18.50
Explanation:
The key is in the unit cost per bottle.
A. Each bottle of soda costs $1.50
B. 6 bottles sodas at $5.00 = $5.00/6 bottles = $ 0.83 per bottle
C. This options represent the lowest cost for each bottle of soda. If We divide $18.50 by 24 the unit cost is $0.77 per bottle.
Besides, 24 bottles is an enough amount for the guests, guaranteeing at least two bottles per guest as Mr. and Mrs. Atoll want.
D. Although the unit cost is the same as option C, the amount exceeds what is really needed for the party. This option involves incurring unnecessary expense.
The option that makes the most sense for the party is one case of 24 sodas at $18.50.
The reason for this is that given the number of people they are entertaining, this option is the cheapest.
Here is a calculation of the amount that they would spend all of the options
a. Every bottle here is $1.5. Two bottles for 1 person would cost 1.5x2 = 3 dollars
b. six packs at 5$. One of them would cost $0.88
c. A case of 24 sodas at $18.5. Then one soda would be 18.5/24 = $0.77
d. Two cases of 24 soda at 18.5 = $1.54
From the calculations above, the cheapest option can be seen to be option c at $0.77. It would require them to send the less money in getting sodas that would go round twice for 10 people.
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