Answer:
72
Step-by-step explanation:
I got 3x^2 + 12x + 4. I recommend you verify my answer, so you have to combine like terms in the first expression then add all the expressions.
Let the unknown number be y;
3×3×3×11×11×y = 16335;
3267×y = 16335;
y = 16335/3267;
y = 5;
It is $2.80 off the t-shirt which would make the new price $11.20
