27.8 × 9.6=266.88 and if rounded its 267.0(:
        
             
        
        
        
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Answer:
10 visits tops
Step-by-step explanation:
 50- 19.95= 30.05
30.05/2.75= 10.9 which means 10 times.
 
        
             
        
        
        
Answer:
Don
Step-by-step explanation:
1. We make the fractions have common denominators so it is easier to compare them. We can do this buy multiplying 2/3 by a factor of 16, so it becomes 32/48. For 11/16, we multiply by a factor of 3 so it becomes 33/48. It is now apparent that Don has the longer pipe.
 
        
             
        
        
        
Answer:
(-5, -10)
Step-by-step explanation:
y+2x = 5y
==>2x=4y
x=2y
5y=3(2y)+5
==>
y = -5
x = -10
==>
one solution