Question

quanto pesa cada animal?


( GATO ) + ( HAMISTER ) = 10kg


( CACHORRO ) + ( HAMISTER ) = 20kg


( GATO ) + ( CACHORRO ) = 24kg


( GATO ) + ( CACHORRO ) + ( HAMISTER ) = ???


URGENTE!!!

Answer 1

Resposta:

cachorro=17

gato=7

hamster=3

Explicação passo-a-passo:

cachorro=X

Gato=y

Hamster=z

{y+z=10=//z=10-y

{x+z=20=//x+10-y=20=//x=-10+20+y=10+y

{y+x=24=//y+10+y=24=//2y=-10+24=14

14/2=7=// y=7

y+z=10=//7+z=10=//z=10-7=3

Z=3

x+3=20=//x=20-3=17

x=17

x+y+z=//3+17+7=27