Question: A student took a test composed of 20 question, with correct answers worth 2 points. If the student received 34 points for his grade, how many questions were correct?
I KNOW THE ANSWER IS 17 BUT PLEASE PUT IN AN EQUATION FORM
ex: (20x2)-34 = ???????
let x = number of questions answered correctly
set up the equation:
2x = 34
then solve:
2x = 34 *divide both sides by 2 to get x
x = 34/2 = 17
so there,, :)
To solve this problem using an equation, you can set up the following equation:
Let 'x' represent the number of correct answers.
The score for correct answers can be calculated by multiplying the number of correct answers by 2. So, the total score for correct answers is 2x.
The student's overall grade is given as 34 points. Therefore, the equation can be set up as:
2x = 34
To find the value of 'x', isolate it by dividing both sides of the equation by 2:
2x/2 = 34/2
This simplifies to:
x = 17
So, the student answered 17 questions correctly.