Question

A test contains 35 questions worth a total of 100 points. There are seven-point questions and two-point questions. How many two-point questions are there? How many seven point questions?

Assign two variables and equations. Please solve.

Answer 1

okay dm me

Explanation:

Answer 2

s=seven point
t=twopoint
s+t=35
7s+2t=100
solve
multiply first equation by -2 and add to secon dequation
-2s-2t=-70
7s+2t=100 +
5s+0t=30

5s=30
divide 5
s=6

6 seven point quesitons