Question

Test worth 100 points contains 40 questions. There are two point and four point questions on the test. How many of each type?

Answer 1

x = number of 2 point questions
y = number of 4 point questions

x + y = 40
2x + 4y = 100

Do you know how to solve for x and y?

Answer 2

2x+4y=100
x+y=40

Answer 3

sorry

Answer 4

Thanks.