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Two brothers were herding few goats together in the woods, at a tree the herd breaks into two parts and each brother tends to one group.

Older brother says, "Give me one goat, I will have twice as you." Younger brother retorts, "You give me one and we will be equal."

So what is the total herd size combined together among them.

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closed as off-topic by Rubio Mar 13 at 16:44

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The total herd size is

$12$ goats

Let $X$ be the number of goats the older brother has, $Y$ be the number the younger brother has.

"Give me one goat, I will have twice as you."

$X+1 = 2(Y-1)$

"You give me one and we will be equal."

$X-1 = Y+1$

Solving we get

$X=7, Y=5$ and $X+Y=12$

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    $\begingroup$ This is just a math story problem, as the solution clearly shows. $\endgroup$ – Rubio Mar 13 at 16:45

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