In a particular year the exchange rate of naira... - WAEC Mathematics 2009 Question
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 option: b
N1122 = $8; x = $36
x x $8 = N1122 x $36
\(\frac{N1122 \times $36}{$8}\) = x
x = N5049
x x $8 = N1122 x $36
\(\frac{N1122 \times $36}{$8}\) = x
x = N5049
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