A trader bought an engine for $15,000.00 outside Nigeria. If the exchange rate is $0.075 to N1.00, how much did the engine cost in Naira?

A.
N250,000.00 
B.
N200,000.00 
C.
N150,000.00 
D.
N100,000.00
Correct Answer: Option B
Explanation
N1.00 = $0.075
N X = $15,000
X = (frac{1.00 times 15000}{0.075})
= N200,000.00