Answer: A
Step-by-step explanation:
Just took the test
We can use the is/of=p/100 method for this problem. Since it's 15% off, this would mean that the bill is 85% of what it was initially. Plug the values into the is/of=p/100 formula.
36.72/x = 85/100
Solve for x.
x=36.72/0.85
x=43.2
So, the bill was $43.20 before applying the voucher discount of 15% off.
Answer:
All numbers except x = 3 and x = - 3
Step-by-step explanation:
If x = 3 or x = - 3, the denominator would be 0.
