Answer:
(d) The value of x = $30.60
Explanation:
Let us assume the total value of the bill = x
The tip paid to the waitress = 90%
⇒ 90 % of the total Bill paid = $ 27.54
or, 90 % of x = $27. 54

or, x = $36.60
Hence the value of the total bill paid by Raj = x = $30.60