Answer:
100m
Step-by-step explanation:
First, find the area of one triangle. Use l*w/2 to do that.
10*5=50
50/2=25
Multiply this by 4 to get the total area
25*4=100
Have a good day!
 
        
             
        
        
        
Let's put it into numbers: 
Ruba: 1 000 000
Zamba: 100 000 000 000 
Zamba has many more aliens than Ruba!!!
it has 100 000 000 000/1 000 000 =100 000 times more aliens, 
in absolute numbers: 100 000 000 000 - 1000 000 =  =99 999 900 000
100 000 000 000
           - 100 000
=99 999 900 000
        
             
        
        
        
Answer:
4 is the coefficient of 4n
Step-by-step explanation:
 
        
             
        
        
        
The watermelon weighs 7 pounds
Proof: 
remove the decimal points then divide 168 by 24
168/24 = 7
The watermelon weighs 7 pounds
        
                    
             
        
        
        
15/8 is already an improper fraction, if you want a proper fraction the answer is      1 and 7/8