Question

your teacher is giving you a test worth 100 points containing 40 questions. there are two point questions and four point questions on the test. how many of each type of question are on the test. use a system of linear equations to solve

Answer 1

Let 2 mark questions be x
Let 4 mark questions be y

Answer 2

Thus you get these two equations
X+y=100
2x+4y=100

Answer 3

ok I got that much

Answer 4

Solve them simultaneously to get the x and y values

Answer 5

Magic

Answer 6

wait what happened to 40 and how do you solve simultaneously

Answer 7

You got the question x+y=40

Answer 8

That means the no. Of x and y question are 40 according to the data

Answer 9

yeah you wrote x +y = 100

Answer 10

Lolz

Answer 11

My bad

Answer 12

alright no its fine im just making sure. so then how would you solve them simultaneously?

Answer 13

Do you know how to do simultaneous question?

Answer 14

Wait nevermind ive got it! its x=30 and y=10. Nevermind were good. thank you

Answer 15

Np

Answer 16

And good luck