A test has 15 questions worth 100 points in total. The test consists of multiple choice questions, which are 4 points each, and open-response questions, which are worth 12 points each. How many multiple choice questions are on the test?
2 answers
Let X= multichoiceques,and Y=openQUES,(simulta,eqn) 4X+12Y=100,X+Y=15,then get your ans
If there are x multiple-choice questions, then there are 15-x open ones.
4x + 12(15-x) = 100
4x + 12(15-x) = 100
1 answer