Answer:
x = 0
y = 2
Step-by-step explanation:
2x + y = 2 (Multiply by 2)
x – 2y = -4
4x + 2y = 4
x – 2y = -4
5x = 0
x = 0
2x + y = 2
2(0) + y = 2
0 + y = 2
y = 2
 
        
             
        
        
        
We are given the average body heat  equal to 2200 BTU. In this problem, we are asked to determine the total body heat  in BTU per cubic foot given the dimensions of the room. The volume of the room is 18000 ft3. we multiply the average heat by 20 persons.hence the answer to this problem is 2.44 BTU/ft3. 
        
             
        
        
        
9514 1404 393
Answer:
   $738
Step-by-step explanation:
The ratio of Ellen's share (e) to Tom's share is ...
   30%/20% = e/492
Multiplying by 492, we have ...
   e = 492(3/2) = 738
Ellen's share of the profits is $738.
 
        
             
        
        
        
Answer:
0.36
Step-by-step explanation:
4/11
If this helps please put brainliest