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Solve using augmented matrices.\newline−5x+8y=4-5x + 8y = 4\newlinex=−4x = -4\newline(_____, _____)

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Q. Solve using augmented matrices.\newline−5x+8y=4-5x + 8y = 4\newlinex=−4x = -4\newline(_____, _____)
  1. Calculate Tape Needed: First, let's figure out how much tape is needed and how much is on each roll. We know the electrician needs 8000 cm8000\,\text{cm} of tape and each roll contains 2000 cm2000\,\text{cm}.
  2. Determine Rolls Required: To find out how many rolls are needed, divide the total amount of tape by the amount on each roll: 8000 cm÷2000 cm8000 \, \text{cm} \div 2000 \, \text{cm}.
  3. Final Number of Rolls: Doing the division gives us 8000÷2000=48000 \div 2000 = 4. So, the electrician needs 44 rolls of tape.

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