Odpowiedź :
Zosia - 4x
Gosia - 5x
Kasia - 6x
[tex]720 = 4x + 5x + 6x \\ 720 = 15x | \div 15 \\ x = 48[/tex]
Zatem
- Zosia - 4×48 = 192zl
- Gosia - 5×48 = 240zł
- Kasia - 6×48 = 288zł
720zl
4+5+6=15
15x=720zl
x=48zl
4x=192zl
5x=240zl
6x=288zl
Zosia zarobila 192zl
Gosia zarobiła 240zl
Kasia zarobila 288zl
4+5+6=15
15x=720zl
x=48zl
4x=192zl
5x=240zl
6x=288zl
Zosia zarobila 192zl
Gosia zarobiła 240zl
Kasia zarobila 288zl