Question

Un camion a parcus un drum astfel :1pe 4din drum in prima zi,a doua zi 2pe3 din rest iar in a treia zi 586 km. Cati km avea drumul parcurs?

Answer 1

1 zi )  x/4  ;    x -x/4 =4x/4-x/4 =3x/4    ramas
2 zi)   2/3 *3x/4 =6x/12 =x/2
3 zi )   586 km

x/4+x/2 +586 = x  numitor  4
x+2x+2344 =4x
4x-x-2x =2344
4x-3x =2344
x =2344 km