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galben [10]
3 years ago
10

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. There ar

e 15 questions on the test, and students are given 51 minutes to take it.
The system of equations shown can be used to find the number of multiple-choice questions, m, and the number of free-response questions, f, on the test.

m + f = 15

3m + 5f = 51

How many multiple-choice questions are on the test?

3
5
12
14
Mathematics
2 answers:
andrezito [222]3 years ago
4 0

Answer:

12

Step-by-step explanation:

Dvinal [7]3 years ago
4 0

Answer:

m = 12, f = 3

So, there are 12 multiple-choice questions on the test.

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