Answer:
one fraction 17/5
mixed number: 3 2/5
Step-by-step explanation:
 
        
             
        
        
        
If there is $1,000 for the pipes, then you can buy 5 steel pipes for $500 and to plastic for 500 too. 
        
                    
             
        
        
        
Answer:
Wil low
Tun nel
Bri lli ant
Di ffi cult
Exa gge rate
Fit ter
Plan ner
Step-by-step explanation:
I gave you seven just in case.
 
        
             
        
        
        
Answer: 2.1, I don't really know how to show a model for this, its just that when you multiply 3 and 7 you get 21, when you do 0.7 and 3, you just put the decimal place between the 2 and 1.
 
        
             
        
        
        
I assume you mean divide using the conjugate to rationalize the denominator and express the result in standard rectangular form.
