An algebra teacher is writing a test. There will be two types of questions: multiple-choice and open-ended. The multiple-choice questions take 3 minutes to complete and the open-ended questions take 12 minutes to complete. There must be at least 3 open-ended questions, at least 10 multiple-choice questions, and the test should take no more than 84 minutes.

Question

A: describe this scenario as a system of inequalities, use M for the number of multiple-choice questions and O for the number of open-ended questions.

Answer 1

M >= 10
O >= 3
3M+12O <= 84

Answer 2

Thank you so much.