The answer you are looking for is 40 hours. they gave you the answer in the statement above when they said he gets time-and-a-half for any hours beyond 40. So he only worked 40 regular pay hours and got 4 hours overtime for time-and-a-half.
        
             
        
        
        
Answer:
aight bet hold up my boy I just need a sec
 
        
             
        
        
        
Here is an example of how to do it⬇️
Set variables for the quantities we want to find.
Let x = number of apples
Let y = number of oranges
Next, we use these variables to write equations that describes the whole story.
Since the total price is $7.75 and each type of fruit has their own price, we can say
0.40x + 0.35y = 7.55
The other equation will represent the total number of fruits bought all together, as Mark mentioned. Once you have those equations, you solve the system using substitution and elimination methods to solve for the variables x and y.
 (If x represents the number of peaches purchased and y represents the number of mangos purchased)
Sorry if this isn’t good explanation but I tried sorry goodluck!
        
             
        
        
        
We know that 2 pints = 1 quart. So that means that 3 pints = 1 1/2 quarts 
The correct answer would be she made 12 pints because 2 pints = 1 quart
Hope this helped!
        
                    
             
        
        
        
9,660/0.5m3=19.320kg/m^3 
Get it from this equation m=pV
p is density ,V volume, m mass
Hope it helps ;)