Odpowiedź :
Celina = x = 70
Ania = 60 % x = 0,6 ^ 70 = 42 = y
Basia = 30
140 % to = 42
100 % = x
140x = 4200 :140
x=30 '
Ania = 60 % x = 0,6 ^ 70 = 42 = y
Basia = 30
140 % to = 42
100 % = x
140x = 4200 :140
x=30 '
70- celina
70 - 40% z 70= 70 -28=42- Ania
42- 40% z 42= 42- 16,8= 25- Basia
70 - 40% z 70= 70 -28=42- Ania
42- 40% z 42= 42- 16,8= 25- Basia