Answer:
Liz
Step-by-step explanation:
lets make all speeds ft/1sec
Ron 8ft/1sec
Liz 104ft/7sec : 104/7=
14.8571428571 ft/1 sec
Katie 
1 mile = 5280ft
5280ft/526sec
5280/526=
10.0380228137ft/1 sec
Emily, 
1 min= 60 sec
835ft/60 sec
835/60=
13.9166666667 ft/sec
 
now, lets order from least to greatest
R:8ft/1sec, K:10.0380228137ft/1 sec, 
E:13.9166666667 ft/sec, L:14.8571428571 ft/1 sec
Liz's speed is fastest
 
        
             
        
        
        
Answer:
-99.12525
Step-by-step explanation:
 
        
                    
             
        
        
        
20 students times 40% of them is 20 times 0.40, which is 8
499 divided by the sale price, 424.13
1.1765, or when rounded, 1.18%
1. 8 students
2. 1.18%
 
        
             
        
        
        
The factors of a number are all whole numbers that can be multipled to get that number.
1, 2, 4, 8, 16, 32, 64