C) 2 students
Explanation
Take Monday’s amount and subtract Friday’s
3-1=2
Consider the factors of 40: ±1, ±4, ±10, ±5, ±8 ... ±5 and <span>±8 can be manipulated to fit your factorization.
(x - 8)(x - 5) works. -8 - 5 = -13, which is what you need in the middle, and -8*-5 gives you a positive 40.</span>
Those are opposite angles and opposite angles are equal to one another.
so we can say that 62 = 2 + 3x and solve x from there.
60 = 3x
x = 20
The only possible answers are 94 or 14. (100-30)/5= 70/5=14. 100-(30/5)= 100-6=94. These are the only two possible answers.
