Answer:
x is the number of small cranes he can make
3x is the amount of time it takes to make all of those small cranes
10 is the amount of time it takes to make just the centerpiece
30 is how much time in total he has to make all of the paper cranes
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
x = 4
Step-by-step explanation:
24 + 0.44x = 19 + 1.69x
24 - 24 + 0.44x = 19 - 24 + 1.69x
0.44x = -5 + 1.69x
0.44x - 1.69x = -5 + 1.69 - 1.69
-1.25 = -5
-1.25/-1.25 = -5/-1.25
x = 4
 
        
             
        
        
        
Answer:
45 different sandwiches
Step-by-step explanation:
 
        
             
        
        
        
Answer:
4 is expected to be damaged out of the next 20 
Step-by-step explanation:
From the observation made, we have that 4 of the toys were damaged and 16 were not damaged 
Thus, the probability of having a damaged toy is 4/20 = 1/5
Now, for the next 20; we have 1/5 of them expected to be damaged 
So, the expected damaged number out of the next 20 will be:
1/5 * 20 = 4