5
QuizMultiple Choice

Adding and Subtracting Matrices — Unit test

Question 5 • NC-Math 4 CR

A coach purchases 47 hats for his players and their families at a total cost of $302. The cost of a small hat is $5.50. A medium hat costs $6.00. A large hat costs $7.00. He purchases three times as many medium hats as small hats. Using matrices, how many large hats did the coach purchase?

Answer
A
6
B
11
C
18
D
23
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