jamesolubire
jamesolubire jamesolubire
  • 22-05-2023
  • Mathematics
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A plumber bought some pieces of copper and plastic pipe. Each piece of copper pipe was 7 meters long and each piece of plastic pipe was 1 meter long. He bought 9 pieces of pipe. The total length of the pipe was 39 meters. How many pieces of each type of pipe did the plumber buy?

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