Question

un fermier creste porumgei si purcei in total 51 capete si 132 piceoare.citi porumgei si purceii
rezolvati problena prin ecuatie

Answer 1

$a+b=51 =\ \textgreater \ b=51-a \\ 4a+2b=132 \\ 4a+2(51-a)=132 \\ 4a+102-2a=132 \\ 2a=132-102 \\ a=30:2 \\ a=15porci \\ b=51-15=36porumbei \\ \\ verificare:4*15+2*36=60+72=132 picioare$