Mathematics, 12.12.2020 17:10, imalivingpotato

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

Answers: 1

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Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response...