Question

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Answer 1

sunt 3 loturi:

$a+b+c=4749$

$a = b$

$c = a + 339$

inlocuim in prima relatie:

$a+a+a+339=4749$

$3a=4749-339 \iff 3a =4410 \ \ \Big|:3$

$\implies a = 1470$

$a = b \implies b - 1470$

$c = 1470+339 \implies c = 1809$

→ de pe lotul 1 si de pe lotul 2 a strans in mod egal cate 1470 q de fan, iar de pe lotul 3 a strans 1809 q de fan

Verificare:

$1470+1470+1809=4749$

Answer 2

Notam cele trei necunoscute cu a, b și c
a+b+c=4749q
a=b
c>a cu 339