Odpowiedzi

2009-12-02T21:36:33+01:00
A=140% B=1,4*B
A=60% C=0,6*C
C=70
A=0,6*70=42
42=140% B
3=10% B
B=30
Ania = 42
Basia = 30
Celina = 70
2009-12-02T21:52:31+01:00

70 - autografy Celiny

70-0,4*70=70-28=42 autografy Ani

140% z x =42
140100*x=42
x=42*100/140
x=30 autografy Basi