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777dan777 [17]
3 years ago
5

2 people can plough a field in 6 hours how long would it take 3 poeple to plough the field​

Mathematics
1 answer:
creativ13 [48]3 years ago
3 0

Answer: It would take 9 hours to 3 people to plough the field

Step-by-step explanation:

Hi, first we have to calculate how much time spends 1 person to  plough the field.

We have to divide the number of hours spent by the number of people.

2 /6 = 3 hours per people

So, we have the rate. Now we simply multiply it by 3 to answer the question.

3 x3 = 9 hours

It would take 9 hours to 3 people to plough the field

Feel free to ask for more if needed or if you did not understand something.

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Which expression is equivalent to the expression shown below?
posledela
The correct answer is:  [D]: " (-5 \frac{1}{4})x − \frac{1}{2}" .
_________________________________________________________

Explanation:

_________________________________________________________

 " -1/2(-3/2x + 6x + 1) −<span> 3x " ;

=  (-1/2 * -3/2 x) + (-1/2 * 6x) + (-1/2 * 1) </span>− <span>3x ; 


=   [ (-1 *-3) /(2*2)] x + (-3x) + (-1/2) ] </span>− <span>3x ; 

=   [ (3/4)x </span>− 3x − (1/2) ] −<span> 3x ; 

=   </span>(3/4)x − 3x − (1/2) − 3x ; 

= ?? ;   →  Combine the "like terms" ; 

           → "(3/4)x − 3x − 3x " =   ?? ;

                         → "(3/4)x − 3x = "(-9/4)x";

                         → "(-9/4)x − 3x = "(-21/4)x "  =  " (-5 \frac{1}{4})x " ;  

 →  The answer is:  " (-5 \frac{1}{4})x − \frac{1}{2} " ;  
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 →   which is
:
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 →   Answer choice:  [D]:  " (-5 \frac{1}{4})x − \frac{1}{2} " .
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