22 $\frac{1}{2}$ % of the Nigerian Naira is equal to 17 $\frac{1}{10}$ % of a foreign currency M. What is the conversion rate of the M to the Naira?

1M = 1 $\frac{15}{57}$ N

1M = 38 $\frac{1}{4}$ N

1M = 1 $\frac{18}{57}$ N

1M = 384 $\frac{3}{4}$ N

Correct answer is C

N = 22 $\frac{1}{2}$ %, M = 17 $\frac{1}{10}$ %

M = $\frac{171}{10}$ %, N = $\frac{45}{2}$

$\frac{45}{2}$ x $\frac{10}{171}$

= $\frac{225}{171}$

= 1 $\frac{54}{171}$

= 1 $\frac{18}{57}$

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