Answer:
39in.
Step-by-step explanation:
due to scale, cant be 15, as that would be the same length as other side
cant be 91 otherwise it wouldnt be similar if it had the same length as blue triangle which has 39 not 15 as the top side
 
        
             
        
        
        
Answer:
73%
Step-by-step explanation:
First, you'll divide the total squares by 100 to get how much is one percent. Then, you divide the shaded squares by the value of 1%. And you'll get how many percents are shaded.
For equivalent decimal, you divide the number by 100.
Then for equivalent decimal, you get the percent and 100.

 
        
             
        
        
        
11 if you multiply 11 by both the number and and the variable you’ll get 11x-55=66. Add 55 to each side which will give you 121 then divide that by 11
        
                    
             
        
        
        
Answer:
he will need 224 yards of string
Step-by-step explanation:
56 ballons *12 feet=672 feet 
each yard is 3 feet so he will need
1yard--->3feet
X<-------672feet=224 yards