Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point questions (x) and four-point questions (y). How many of each type of question are on the test?

There is 30 2 pt questions and 10 4 pt questions

Step-by-step explanation:

x  is number of two-point questions

y is number of four-point questions

There is a total of 100 points.

There is a total of 40 questions.

Now, we solve by substitution

Plug 30 back in to solve for y