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:

$$\begin{gathered} \frac{3}{8}l+9=\frac{l}{2} \\ 3/8\cdot l+9=l/2 \\ l=72 \\ l=\frac{72}{1}=72 \\ l=72=72\text{m} \end{gathered}$$

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