Mark got 54 out of 66 correct in his test. What fraction of the marks did he get correct? Give your answer in its simplest form
1 answer:
Answer:

Step-by-step explanation:
Mark got 54 out of 66 correct in his test.
We need to find what fraction of the marks did he get correct,
Total number of questions = 66
Total number of correct answers = 54

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-16t^2+400=0
16t^2=400
take square root on both sides.

4t=20
t=20/4
t=5
Answer:
y = 11 1/2
Step-by-step explanation:
7y - 63 = y + 3
-y. -7
6y - 63 = 3
+ 63. + 63
6y = 69
/6. /6
y = 11 1/2
17/16 is the answer since 1/2 is equal to 8/16. 8+9 is 17
Answer:
n = 5
Step-by-step explanation:

Hope this helps.
Median: 9
Mode: 9&11
Range: 11