After allowing discount of `7 1/2%` on the marked price, an article is sold for Rs. 555. Find its marked price.

Explanation

Given

SP`=MP-Discount`

SP`=MP-Discount`

=>`555=MP-7xx1/2% of MP`

=>`555=MP-15/2% of MP`

=>`555=x-15/2% x`

=>`555=x-(15x)/(100xx2) `

=>`555=x-(7.5x)/(100) `

...