My father

My father has a big farm. 6/8 of it were planted with mango trees, 1/2 of the remainder are guava trees and the rest 10 trees are santol trees. What is the number of all trees?

Correct answer:

n =  80

Step-by-step explanation:

86n+21 (n86n)+10=n 86n+21 82n+10=n 86n+81n+10=n  87n+10=n 7 n+80=8n 80=1n  n=80   Verifying Solution:   6/8 x+1/2 (x6/8 x)+10=x  6/8 x+1/2 (x6/8 x)+10=x  x=80



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Showing 1 comment:
Charlie
I have written my own equation like this: Let x is the total number of trees, then, the equation will be like this:

6x/8+2x/16+10=x
12x/16+2x/16+160/16=x
14x/16+160/16=x
16x=14x+160
16x-14x=160
2x=160
2x/2=160/2
x=80





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