avan123455 avan123455
  • 10-03-2022
  • Mathematics
contestada

In a maths competition each correct answer gets 3 marks, but one mark is deducted for each incorrect answer.
Grace answers all 30 questions that are on the test and scores 30 marks. How many questions did she get wrong?

Respuesta :

merowhh merowhh
  • 10-03-2022
Grace got 20 questions wrong.
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