Question

Tuzin-jaki to procent kopy, jaki to procent mendla mendel- jaki to procent kopy, a jaki procent tuzina t

Answer 1

tuzin to 12sztuk

kopa to 60sztuk

mendel to 15sztuk

 

a)

60 ---- 100%

12 ---- x%

x = 12 * 100 : 60 = 1200 : 60 = 20%

20% kopy to tuzin.

 

15 --- 100%

12 --- x%

x = 12 * 100 : 15 = 1200 : 15 = 80%

80% mendla to tuzin

 

b)

60 ---- 100%

15 --- x%

x = 15 * 100 : 60 = 1500 : 60 = 25%

25% kopy to mendel

 

12 ---- 100%

15 ----- x %

x = 15 * 100 : 12 = 1500 : 12 = 125%

125% tuzina to mendel.

Answer 2

a)

Kopa=60

Tuzin=12

 

60-100%

12-x

60x=1200

x=20%

Tuzin stanowi 20% kopy

 

b)

Mendel=15

Tuzin=12

 

15-100%

12-x

15x=1200

x=80%

Tuzin stanowi 80% mendla

 

c)

Kopa=60

Mendel=15

 

60-100%

15-x

60x=1500

x=25%

Mendel stanowi 25% kopy

 

d)

Tuzin=12

Mendel=15

 

12-100%

15-x

12x=1500

x=125%

Mendel stanowi 125% tuzina