You would have to multiply 6 bags of 6 gel pens together so 6x6, divide it by the friends so 6x6=36/9=4
2 and 4/7, 32/14, 9/3.5, Ect.
F(x) = x^2 - 3x - 7
f(-3) = (-3)^ 2 - 3(-3) - 7
f(-3) = 9 + 9 - 7
f(-3) = 18 - 7
f(-3) = 11
The answer is 90%. Because 10% love math you subtract 100