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1 October, 15:39

750x + 17y = 141.61

300x + 30y = 75.90

Karina solves the system using linear combination and arrives at the equation 116y = 96.28. She then solves this equation for y. Which statement explains Karina's solution?

The cost of natural gas is $0.17 per unit.

The cost of natural gas is $0.20 per unit.

The cost of natural gas is $0.72 per unit.

The cost of natural gas is $0.83 per unit.

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Answers (2)
  1. 1 October, 15:41
    0
    I'll answer this in a second
  2. 1 October, 15:42
    0
    Correct answer is D the cost of natural gas is $0.83 per unit.
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