Mathematics, 05.07.2019 21:50, ljadalyn

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?

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