SOLUTION: In a classroom, there are 35 desks. Some are single desks and some are double desks. The seating capacity of the room is 49. How many desks of each kind were there?

Question 1054980: In a classroom, there are 35 desks. Some are single desks and some are double desks. The seating capacity of the room is 49. How many desks of each kind were there?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
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In a classroom, there are 35 desks. Some are single desks and some are double desks. The seating capacity of the room is 49.
How many desks of each kind were there?
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Had every desk be the single desk, it would be only 35 seats in the class.
But in reality, the seating capacity is 49.

It is because 49-35 = 14 seats belong to double desks.

Answer.  There are 14 double desks and 35-14 = 21 single desks.

Solved without using equations.

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