The distance from P to Q is four times the distance from Q to R. The distance from p to r is 120 metres. What is the distance fr
om Q to R?
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
Let distance from Q to R equal x. Then distance from P to Q is 4x. So we have something like this:
P-------------Q-----R
        4x           x
Distance all the way from P to R is 4x + x = 5x, and this must be equal to 120. So set up the equation:

Divide both sides by 5 to isolate x:

This is the length of QR.
Check to be sure:
P-------------Q-----R
       4(24)  +   24
        96     +   24  = 120
Works! 
 
                    
              
              
                
                
|----------------------------------120 m ------------------------------|
|--------------|--------------|--------------|--------------|--------------|
P                                                                 Q               R
Distance from P to R = 120m
120 ÷ 5 = 24m
The distance from Q to R is 24m.
                                
             
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Hello,
I don't know the divison method but is it these one?
156.25= 625/4=(25/2)²
√156.25= 12.5
        
             
        
        
        
Answer:
2. 8
3. 6
4. 8
5. -8
Step-by-step explanation: