Price of one adult ticket is $9 and price of one student ticket is also $9.
Step-by-step explanation:
Let, 
Adult ticket = x
Student ticket = y
According to given statement;
x+2y=27   Eqn 1
2x+2y=36   Eqn 2
Subtracting Eqn 1 from Eqn 2;

Putting x=9 in Eqn 1;

Dividing both sides by 2;

Price of one adult ticket is $9 and price of one student ticket is also $9.
Keywords: linear equations, subtraction
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Answer:
3x+ 5 = 6
. Correct.
Step-by-step explanation:
Let x = the number.
           The number tripled: 3x
Tripled and increased by : 3x + 5
                                 Equals 6: 3x+ 5 = 6
Correct.
 
        
             
        
        
        
Answer 2/5. It says there are 5 people and 3 of them have done their hw and 2 have not cause 5-3=2.