SOLUTION: In a classroom there are two kinds of seats; single and double. There are twice as single seats as double seats. THe room can accomodate 76 pupils. How many each kind of seats are

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: In a classroom there are two kinds of seats; single and double. There are twice as single seats as double seats. THe room can accomodate 76 pupils. How many each kind of seats are       Log On


   

Question 622373: In a classroom there are two kinds of seats; single and double. There are twice as single seats as double seats. THe room can accomodate 76 pupils. How many each kind of seats are there?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

In a classroom there are two kinds of seats; single and double. 

There are twice as single seats as double seatshighlight%28x%29.

THe room can accomodate 76 pupils. How many each kind of seats are there?

Question states*** 

Students = Students

      76 = single seats + 2(double seats)

      76 = 2x + 2(x)

      76 = 4x

       x = 19 double seats and 38 single seats

CHECKING our Answer***

 38 + 2*19 = room for 76 Students