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PSAT Math Multiple-Choice Practice Question 129

Question: 129

A catering company offers three meal options when it caters weddings. There is no additional charge for guests that indicate a food allergy, and there is no price difference among the meal selections. Children's meals are provided at a discounted price. The company collected data on all the dish selections for the weddings that it catered over the past year.

What is the average cost of a child's meal?

Correct Answer: C

Explanation:

C

The question asks for the average cost of a child's meal. For averages, use the formula T = AN, in which T is the total, A is the average, and N is the number of things. Read the chart carefully to find the correct numbers to use. In the Children column, there are a total of 1,875 meals for a total cost of $24,750. The formula becomes 24,750 = A(1,875). Divide both sides by 1,875 to find that $13.20 = A. The correct answer is (C).

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