Your math teacher is planning a test for you. the test will have 30 questions. some of the questions will be worth 3 points, and the others will be worth 4 points. there will be a total of 100 points on the test. how many 3-point questions and how many 4-point questions will be on the test? let the number of 3-point questions = and the number of 4-point questions = . (you have already solved this question using substitution in lesson 3. now solve it with elimination.)
A) 20 and 10
B) 10 and 20
C) 15 and 15
D) 5 and 25