Answered

 In a farm there are 600 coconut trees. the number of trees in each row is 10 less than twice the number of rows how many trees are there in each row?


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Sagot :

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X=no. of rows
2x-10=no. of trees in each row

600=x(2x-10)
[tex]600=2x^{2} -10x[/tex]
[tex]\frac{0}{2} = \frac{2x^{2} -10x-600}{2}[/tex]
[tex]0= x^{2}-5x-300[/tex]
0=(x+15)(x-20)
X=-15, x=20
Disregard x=-15

X=20 <---- no. of rows
2x-10=2(20)-10
           =30 <---- no. of trees in each row