A trader sells 85 meters of cloth for $8925 at the profit of $15 per metre of cloth. What is the cost price of one metre of cloth?
Choose the correct choice from the following options
A) $ 69
B) $ 78
C) $ 90
D) $ 86
E) $ 77

Rationale: c $ 90 sp of 1 m of cloth = 8925 / 85 = $ 105 cp of 1 m of cloth = sp of 1 m of cloth - profit on 1 m of cloth = $ 105 - $ 15 = $ 90 .
Answer: C