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2 answers:
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Answer:
Jack must Answer minimum 28 question correctly in order to get A in Science.
Step-by-step explanation:
Given:
Percentage required = 92%
Total Number of question = 30
We need to find the number of Question answer correctly.
Solution:
number of Question answer correctly be 'x'
So we can say that;
number of Question answer correctly divided by Total Number of question multiplied by 100 should be greater than or equal to percentage required.
framing in equation form we get;
Now Dividing both side by we get;
Hence Jack must Answer minimum 28 question correctly in order to get A in Science.