Respuesta :
Answer: answer is 20 questions total
Step-by-step explanation:
12 Wrong, and 8 right. 60%
set up a proportion
x-12/x = 60/100
100x - 1200 = 60x
40x = 1200
x = 30
30 questions
x-12/x = 60/100
100x - 1200 = 60x
40x = 1200
x = 30
30 questions