Q: 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?
Options:
(A) 20
(B) 40
(C) 45
(D) 25
(E) 60
A: (A)
Explain how we arrive at this answer:
Explanation: 1: 2/5 = 5: 2
2/7 * 70 = 20