Respuesta :

Answer: There are 30 questions.

Step-by-step explanation:Easiest way to approach this is to remember the percentage proportion equation. Part/Total= percentage/100.

27/x = 90/100

27/x=.90

x=27/.90

x=30

Therefore the exam has 30 questions.

Answer: 30

Explanation: Because you just do  27÷90%= 30

And the 30 will be your total questions on the exam