Question

Q42)The number of rooms on the ground floor of a building is 12 less than twice of the number of rooms on first floor. If the first floor has x rooms, how many rooms does the ground floor has ?​

Answer 1

Answer:

If we subtract 12 from twice the number of rooms on the first floor. We will get the number of rooms on the ground floor. Hence, the number of rooms on the ground floor is equal to 2x – 12 rooms.

Answer 2

Answer:

2x - 12

Step-by-step explanation:

Number of rooms on 1st floor = X

Number of rooms on ground floor = 12 less than twice of rooms on first floor

= 2x - 12