The length of a rectangle is reduced by 22%. By what % would the width have to be increased to maintainthe original area? Choose the correct choice from the following.
A) 15 %	B) 20 %	C) 28 %	D) 35 %	E) 40 %

Rationale: "sol . required change = ( 22 * 100 ) / ( 100 - 22 ) = 28 % c"
Answer: C