Answer:
The last one
Step-by-step explanation:
68/5 - 22/5 = 46/5 = 9 1/5
The answer should be 299/52=almost 6 hours.
Answer:
There is a total 50 questions.
Step-by-step explanation:
Let x = total questions in the exam
Since 82% of the test was scored correctly, that means 18% of the student's exam was scored incorrectly.
With this information we can write:
(Given that the student made 9 mistakes)
(divide 18% on both sides)

∴ There was a total of 50 questions in the examination.
Answer:
Step-by-step explanation:
i really wish i knew the answer
Answer:
huhhh??
Step-by-step explanation:
i didn't unxerstand the question