Question

h to wysokosc slupa linii wysokiego napiecia.2/3h to powietrze, 10m to woda,1/5h to piasek a reszta to skala

. oblisz ile wynosi skala.

Answer 1

2/3 = 10/15h

 10/15h+3/15h=13/15h

 czyli 1-13/15h to te 10m

 2/15h=10

 2/15h=10*15

 2h=150

 h = 75

Answer 2

2/3 = 10/15h

 

10/15h+3/15h=13/15h

 

czyli 1-13/15h to te 10m

 

2/15h=10

 

2/15h=10*15

 

2h=150

 

h = 75