56,000 would be the answer. If you divide the 42,000 by 3 then add your quotient to the original number you get his salary before tax.
 
        
                    
             
        
        
        
4 unknowns needs 4 equations. I'll call the unknown numbers a,b,c,d in that order left to right.
4 + a = b 
a + b = c 
b + c = d 
c + d = 67 
let's use substitution to get rid to combine equations and get rid of variables. 
If a + b = c then a = c - b 
4 + (c - b) = b 
4 + c = 2b 
If b + c = d then b = d - c 
4 + c = 2(d - c) 
4 + c = 2d - 2c 
4 + 3c = 2d 
then we have c + d = 67 so c = 67 - d 
4 + 3(67 - d) = 2d 
4 + 201 - 3d = 2d 
205 = 5d 
d = 41 
Should be easy now, subtract backwards. 
67 - 41 = 26 
41 - 26 = 15 
26 - 15 = 11 
15 - 11 = 4 
4, 11, 15, 26, 41, 67 
        
             
        
        
        
Answer:
4 and 4
Step-by-step explanation:
Method A
1) Method A: Let 2 be the starting point and -2, the finishing one. Counting between 2 and -2, we can count a distance of 4 units. That's the simplest way, but not convenient to great numbers on the Number Line.
Method B:
There is no such thing as a negative distance, as a physical quantity. So this is the reason why we need to compute the absolute value of two numbers, which is simply what was done on Method B. 
|2-(-2)|=|4|=4
As we are dealing with absolute values, the order is not relevant after all, the result remains the same. Take a look:
|-2-2|=|-4|=4
That's why the greater (2) or the lesser number (-2) can be the subtrahend (in bold within the brackets.
 
        
             
        
        
        
Answer:
Step-by-step explanation:
1l ........8.5 miles
x l .......6 miles
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x=6*1/8.5
x=0.70 l
2*0.7=1.4 l petrol/day ( to work and come back home)
5*1.4=7 l/week ( 5 days works in a week)
7*1.26=8.82 L /week
8.82>8.5
The petrol costs more 
So the answer is NO
 
        
             
        
        
        
Answer:
The answer is B) 9 faces, 7 rectangles, and 2 triangles
Step-by-step explanation:
I took the test and got it correct