Question

In 1200 g de solutie se afla 50 g de sare. Cate grame de sare se gasesc in 1,5 kg de solutie, de aceeasi concentratie?

Answer 1

1,5kg= 1500g

1200g sol......50g sare
1500g sol.......x

x=1500*50/1200

x=15*50/12

x=5*50/4

x=5*25/2

x=125/2

x=62,5 g sare