Answer:
37.3% is the take off 
Step-by-step explanation:
so an easy route is to subtract the price after the reduction 
89.99-56.49= 33.5 that is 37.3 percent 
because 62.78% of 89.99 is 56.486723 round i and you get 56.49 so this is a check your work 
 
        
             
        
        
        
Answer:
y = x - 2
Step-by-step explanation:
y = mx + b
5 = 1 (7) + b
5 = 7 + b
b = -2
So...
y = x - 2
 
        
             
        
        
        
Answer: Jack 
Step-by-step explanation:
100÷2=50
50÷23=2.1739130435
50÷18=2.7777.....8
 
        
             
        
        
        
We know that 3/10*20=6 students are eating salads.
We also know that 3/5*20=12 students are eating sandwiches.
Assuming each person only eats one thing, there are 20-12-6=2 students eating lunches other than salads or sandwiches.