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1. The number of rooms at Hotel G is 10 less than twice the number of rooms at Hotel 11. If the total number of rooms at Hotel G and Hotel H is 425 , what is the number of rooms at Hotel G?

  • A. 140
  • B. 140
  • C. 140
  • D. 140

Answer: Option D

Explanation:

1st condition, G = 2H - 10
2nd condition, G  +  H = 425
               H = 425 - G
Now, G = 2(425 - G) - 10
     G = 850 - 2G - 10
     G  +  2G = 840
     3G = 840
     G = 280

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