A 70 cm long wire is to be cut into two pieces so that one piece will be 2/3th of the other, how many centimeters will the shorter piece be?	Choose the correct choice from the following choices
A) 35  B) 20  C) 28  D) 36  E) 30

Rationale: "1 : 2 / 3 = 3 : 2 2 / 5 * 70 = 28 answer : c"
Answer: C