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1 length is 4.75 feet
42 lengths = x feet            Cross multiply
1 * x = 42 * 4.75                  Multiply on the right
x = 199.5
amount left = amount started with - amount amount used
Amount left = ???
Amount started with = 240 feet.
Amount used = 199.5               Substitute
Amount left = 240 - 199.5        Subtract
Amount left = 40.5                    Answer
 
        
             
        
        
        
Hello your correct answer would be 95.703 
Have a great day if it is incorrect tell me in the comments 
        
                    
             
        
        
        
We have been given that an employee shreds 341 pages in 11 minutes of work. 
First of all we will divide 341 by 11 to find number of pages shred by employee in one minute.

Now let us multiply 31 by 20 to find number of pages shred by employee in 20 minutes.

Therefore, employee will shred 620 pages in 20 minutes. 
 
        
             
        
        
        
It's the first one and the last one need any more help let me know okay