A 110 cm long wire is to be cut into two pieces so that one piece will be 2/5th of the other, how many centimeters will the shorter piece be? Choose the most appropriate option:
A) 35
B) 20
C) 47
D) 36
E) 31

Rationale: "1 : 2 / 5 = 5 : 2 2 / 7 * 110 = 31 answer : e"
Answer: E