3x +3 + x = -1
4x= -4
X= -1
        
                    
             
        
        
        
Answer:
Give me more info for the question so I can help you!
Step-by-step explanation:
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Let x equal the number of adult tickets sold. 
X + 3X=512
(I put 3x because we know the students sold 3 times as many). 
Solve for X. 
X+3X=512
4X=512
4X/4=512/4
X=128
        
             
        
        
        
The percentage of 4c in the expression 0.2c is 2000%
<h3>How to determine the percentage of 4c?</h3>
The expression is given as:
0.2c
The percentage of 4c is then calculated as:
4c/0.2c
Evaluate the quotient
20
Express as percentage
2000%
Hence, the percentage of 4c in 0.2c is 2000%
Read more about percentages at:
brainly.com/question/843074
#SPJ1
 
        
             
        
        
        
Step-by-step explanation:
other team earned 1/3,
42/1 * 2/3 = 84/3 
so 84/3 is 28
then the Falcons = 28 
so other team = total score - the Falcons 
which is 42 - 28 = 14