Answer:
-----------------
The selling price is 35% less than the marked price, hence it is:
- 300 - 35% =
- 300(1 - 0.35) =
- 300*(0.65) =
- 195
$195 is 2.5% less than the cost, hence the cost is:
- cost - 2.5% = 195
- cost *(1 - 0.025) = 195
- cost * 0.975 = 195
- cost = 195/0.975
- cost = 200