" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y- cena 1 kg cukru
200x=150y = 900zł
¼* 200x +⅕150y= 210 zł
200x+150y=900 zł
50x+ 30 y= 210 zł I *( -4)
200x+150y= 900
200x-120y= -840 zł
30y= 60 zł/30
y= 2zł
200x+150 * 2zł= 900 zł
200x= 9000zł- 300 zł
200x= 600z I :200
x= 3zł
y=2zł
3zł=100 %
x- 25%
x= 75/100
x= 0,75
3 + 0,75= 3,75
3,75 zł
2,40 zł