A 70 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 one:  A) 35  B) 20  C) 47  D) 36  E) 30
1: 2/5 = 5: 2   2/7 * 70= 
<gadget id="calculator">2/7 * 70</gadget>
<output>20</output>
20   Answer:20
<result>B</result>
A 70 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?