Question 3

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waecmaths question: 

A trader bought an engine for 15,000dollars outside Nigeria. If the exchange rate is 0.075dollars to N1.00, how much did the engine cost in naira?

Option A: 

N250,000.00

Option B: 

N200,000.00

Option C: 

N150,000.00

Option D: 

N100.000.00

waecmaths solution: 

0.075dollars = N1.00

15,000.00dollars = $\frac{N1\times 15,000}{0.075}=N200,000$

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