Answer:
 approximately 
1623.6
Step-by-step explanation:
16 1/2%=.165 which is approximately equal to 1/6, so we can just multiply the original number by 6.
 
        
             
        
        
        
Answer:
a) There is no significant difference between restaurants with and without order-confirmation boards
b) -12.5 ± 3.604 or C.1.E (-16.10, -8.90)
Step-by-step explanation:
answers are in the attachment below
 
        
             
        
        
        
7 2/9 < 7.228 < 29/4 < 7.60
        
                    
             
        
        
        
2x+4y+0.50z=36 represents the situation.
Step-by-step explanation:
Let, 
Drinks = x
Sandwich = y 
And,
Chips = z
Total amount on these items = $36
According to the statement;

2x+4y+0.50z=36 represents the situation.
Keywords: Linear equations
Learn more about linear equations at:
#LearnwithBrainly
 
        
             
        
        
        
Answer:
5 and -5 (±5)
Step-by-step explanation:
x²-8=17
x²=25
√x²=√25
x=±5