N = d - c × s
I have to have 20 characters so here's a random sentence
Answer:55
Step-by-step explanation: since there are basically two medians for the third quadrant, you add them and then divided by 2. 50 and 60 equal 110. 110 divided by two is 55. 55 is your third quadrant
We need 2880 person-hours and we have 12 people.
When we divide the work between them: 2880/12 = 240 hours required to complete.
10. A 11. D 12. A (wasn’t too sure about question 12)
Step-by-step explanation:
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- Length of a park ( l ) = 55 m
- Breadth of a park ( b ) = 35 m
- Width running outside the park ( d ) = 2.5 m
- Rate of paving the path with stones = Rs 120 per sq.metre
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- Area of the park
- Cosy of paving the path with stones at Rs 130 per sq.metre
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Part 1 : 
plug the known values and simplify :
⟹ 
⟹ 
⟹ 
Part 2 : 
⟹ 
⟹

Hope I helped ! ♡
Have a wonderful day /night ツ
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