Emilykathrynid
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How much does this fish weigh? How much does this fish weigh if it's tail weighs 4kg , it's head weighs as much as it's tail and half it's body, and it's body weighs as much as it's head and tail together?

Sagot :

Body Weight: w=(t+0.5w)+t
Tail Weight: t=4
Head Weight: t+0.5w

w=t+0.5w+t

But t=4,

w=4+0.5w+4

w-0.5w=8

0.5w=8

Therefore: w=16.

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