Respuesta :

Answer:

  • 91%

Step-by-step explanation:

  • 300 × x/100 = 27
  • => 3 × x = 27
  • => x = 27/3
  • => x = 9

This means that 9% of the notebook is used in science.

  • 100% - 9% = Percentage of paper left in notebook.
  • => 91% = Percentage of paper left in notebook.

This means that 91% of the notebook pages is remaining.