Giovanni purchased 20 adult tickets and 5 child's tickets.
Step-by-step explanation:
Let,
x = Adult tickets
y = Child's tickets
According to given statement;
x+y=25 Eqn 1
One adult ticket costs $14 and one child ticket costs $8, therefore, 
14x+8y=320 Eqn 2

Putting value of x in Eqn 1;

Giovanni purchased 20 adult tickets and 5 child's tickets.
Keywords: Linear equations, Addition
Learn more about linear equations at:
#LearnwithBrainly
 
        
             
        
        
        
Dividing 1 1/4 hrs by 5 days results in the unit rate:
 1 1/4 hrs       5/4 hrs
-----------  =  ---------------- = 1/4 hr per day
 5 days        5 days
 
        
             
        
        
        
Answer:
diamond
Step-by-step explanation:
just is bruh
 
        
             
        
        
        
Hi. The slope of the line is undefined, because it's vertical. 
        
                    
             
        
        
        
1) Expand by distributing terms
7a+7 x-3
Simplify 7x-3 to -21
7a-21