Answer:
Sean got 63/81 questions right as a fraction.
Step-by-step explanation:
Sean got 63/81 correct. If there was a total of 81 questions, you put that as your denominator.
Now ask yourself: Can you simplify?
Yes you can.
You divide each number from the fraction by 9.
63 / 9 = 7
81 / 9 = 9
7/9 questions that Sean got correct.
If you also want a percentage + grade, Sean would get 77% which would be a C+
+ 32
and
- 5
will do that job for you.
Answer:
50 minutes
Step-by-step explanation:
1600 - 12m = 2000 - 20m
8m = 400
m = 50
