S.P. = Rs. 550
Rate of discount = 12%
Let the marked price be Rs. 100.
Then S.P= 100 – 12 = 88
If S.P. is Rs. 88 then marked price is Rs.100
If the S.P. is Rs. 550 the M.P. is
\(\frac{100\times550}{88} = \frac{55000}{88}\) = 625
Marked price = Rs. 625.
