In a quiz, each pupil had to answer 50 questions. 5 points were given for each correct answer and 4 points were deducted to each incorrect answer. Jack answered all 50 questions and he scored 97. How many questions did he answer correctly?

a. 30
b. 31
c. 32
d. 33​


Sagot :

Answer:

D. 33

Step-by-step explanation:

1st:

50 - 33 = 17

2nd:

33 x 5 = 165

3rd:

17 x 4 = 68

4th:

165 - 68 = 97