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matrenka [14]
2 years ago
5

Mark earned 108 points for his extra credit project.

Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
5 0

Answer:

  • 120 points

Step-by-step explanation:

Let the total points be x

<u>Mark earned 90% of x which is 108 points:</u>

  • 0.9x = 108
  • x = 108/0.9
  • x = 120

Total points were 120

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On average, a commercial airplane burns about 3.9 × 10³ mL of gasoline per second. There can be as many as 5.1 × 10³ airplanes i
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