b In a hostel. 50 students have food enough for 54 days. How many students should be added in de the hostel so that the food is
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Answer:
<h3><u>Answer:</u></h3>
- 11. 6 + n = 20
- 12. n - 7 = 20
- 13. n + n + 1 = 31
- 14. 2n + 2 = 13
- 15. n - 1 = 18
- 16. n² + 4 = 2x
- 17. 2n = 1/2
- 18. n²/2 = 18
- 19. n/2 + 90/2 = 70
- 20. 2 + n = 12
Hoped this helped.