Question

Question 2 of 11

What system of equations would you use to solve the problem below?
A test is worth 100 points. Multiple-choice questions are worth 3 points and
short-answer questions are worth 5 points. If the test has 28 questions, how
many multiple-choice questions are there?

Answer 1

If the number of multiple-choice questions is x and the number of short answer questions is y, then:

`x+y=28\\\\3x+5y=100`