Question

A test is worth 100 points. The test is made up of 40 items. Each item is worth either 2 points or 3 points. Which matrix equation and solution represent the situation? There are 20 items worth 2 points each and 20 items worth 3 points each. There are 10 items worth 2 points each and 30 items worth 3 points each. There are 20 items worth 2 points each and 20 items worth 3 points each. There are 10 items worth 2 points each and 30 items worth 3 points each.

Answer 1

Answer: There are 20 questions worth 2 points and 20 questions worth 3 points

Explanation:

If there are 20 questions worth 2 points then that is 40 points. 20 questions worth 3 points which is 60 points. 40+60=100 points.