Wiring 2

Willie cut a piece of wire that was 3/8 of the total length of the wire. He cut another piece that was 9m long. The two pieces together were one-half of the total length of the wire. How long was the wire before he cut it?

Correct answer:

l =  72 m

Step-by-step explanation:


3/8 l + 9 = l/2

3/8•l + 9 = l/2

l = 72

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