Cristian a cumparat: 1kg carne , 1kg zahar , 1/2 kg gris , 1/4kg de cafea si 6 pachete de biscuiti.
Cate grame cantareste un pachet de biscuiti, daca sacosa plina cantareste 3 775grame, iar sacosa goala are 125 grame ?

1

Răspunsuri

Cel mai inteligent răspuns!
2014-06-03T13:55:11+03:00
1000 g carne+1000 g zahar+500 g gris+250 g cafea+6x g biscuiti+125 g sacosa=3775 g sacosa plina, unde x g are un pachet de biscuiti

2875 g+6x=3775 g
6x=3775-2875
6x=900
x=150 g are un pachet de biscuiti