Question

tuzin- jaki to procent kopy? jaki to procent mendla?

mendel- jaki to procent kopy a jaki to porcent tuzina?

tuzin to 12 ,mendel to 15 a kopa to 60.

25% więcej od 4764

Answer 1

100% - 60

x - 12

60x = 1200 / : 60

x = 20 %

tuzin to 20% kopy

 

100% - 15

x - 12

15x = 1200 /: 15

x = 80

tuzin to 80 % mendla

 

100 % - 60

x - 15

60x = 1500 / : 60

x = 25

mendel to 25 % kopy

 

100% - 12

x - 15

12x = 1500 / : 12

x = 125

mendel to 125% tuzina