Answer:
28
Step-by-step explanation:
The interior triangle has a right angle, and one of its corners is 62, so the other angle, which is vertical to x, is 180-(90+62)=28, so x=28.
 
        
                    
             
        
        
        
Lena had $24 at the beginning 
the movie ticket was $6 
it's just basic algebra
        
             
        
        
        
Answer:
-12
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
43.50
Step-by-step explanation:
MULTIPLE THE 2 NUMBERS
 
        
             
        
        
        
9514 1404 393
Answer:
   21
Step-by-step explanation:
Rearranging the given ratio, we can find the ratio of boys to the total.
   boys : (boys +girls) = 7 : (7+8) = 7 : 15
Then the number of boys is ...
   (7/15)(45) = 21
There are 21 boys in the classroom.