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
The answer should be “A” I’m pretty sure
9514 1404 393
Answer:
4^0
Step-by-step explanation:
The rules of exponents are ...
(a^b)(a^c) = a^(b+c)
(a^b)/(a^c) = a^(b-c)
So, your expression simplifies to ...

Answer:
put x=3 in equation we get
18-1
17 is the answer
The answer is 54
what you do is keep adding 6