Answered

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 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?


Pasagot po agad ty po

Sagot :

X5hEarTzxidn
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