Answer: A) 2
Step-by-step explanation: I just got it good
No solution i believe <span />
A. 16x^4 + 16x - 16x - 64
C. (4x^2 + 8)(4x^2 - 8)
D. (16x^2 + 209x^2 - 2)
20% off means you paid only 80% of the original price.
0.8x=40
x=40÷0.8=50
so the original price is 50
