kenziecohen0619 kenziecohen0619
  • 25-04-2021
  • Mathematics
contestada

10. A student answers 90% of the questions
on a math exam correctly. If he answers
27 questions correctly, how many questions
are on the exam?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 25-04-2021

9514 1404 393

Answer:

  30

Step-by-step explanation:

Let q represent the number of questions on the exam.

  27 = 0.90q . . . . . 90% of them is 27

  27/0.9 = q = 30 . . . . . divide by the coefficient of q

There are 30 questions on the exam.

Answer Link
mahdialavi765 mahdialavi765
  • 25-04-2021

Answer:

There are thirty questions on the test.

Step-by-step explanation:

You can discover this by doing 27 divided by . 90 which equals 30

Answer Link

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