In a particular year, the exchange rate of naira (N) varies directly with the Dollars{$}....
MATHEMATICS
WAEC 2009
In a particular year, the exchange rate of naira (N) varies directly with the Dollars{$}. If N1122 is equivalent to $8, find the Naira equivalent of $36
- A. N8976
- B. N5049
- C. N140.25
- D. N31.17
Correct Answer: B. N5049
Explanation
N1122 = $8; x = $36
x x $8 = N1122 x $36
\(\frac{N1122 \times $36}{$8}\) = x
x = N5049
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