Answer:
Find out the how much will the bike cost after the 30% off and markdown .
To prove
As given
Original cost of the bike = $950.00
A bike was recently marked down $200.00 from its initial price.
Than
Price of bike after marked down = $950.00 - $200.00
= $750
As given
If you have a coupon for an additional 30% off after the markdown.
30% is written in the decimal form.

= 0.30
Cost of the bike when coupon for an additional 30% off after the markdown iapply = 0.30 × 750
= $ 225
Than cost of the bike when coupon of 30% off and marked down of $200.00 apply = Price of bike after marked down - cost of bike when coupon for an additional 30% off after the markdown apply
= $750 - $ 225
= $ 525
Therefore the Than cost of the bike when coupon of 30% off and marked down of $200.00 apply is $ 525 .