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?\nOptions:\n(A) 20 cm\n(B) 15 cm\n(C) 30 cm\n(D) 40 cm\n(E) 45 cm Let's think first. Stream of consciousness:
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1: 2/5 = 5: 2\n2/7 * 70 = 20
So, the answer is (A).
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