Question

1 Aflati valoarea raportului$\frac{a}{b}$ , daca a= 2,4 iar b=1,6
2 Determinati valoarea raportului dintre 1,2 ha si 250$m^{2}$
3 Daca $\frac{a}{b}= \frac{4}{3} , aflati   \frac{3a}{2b}$
4 Daca $\frac{5x}{2y}$=1,25 aflati$\frac{y}{x}$

Answer 1

a/b= 2,4/1,6=3/2 = 1,5
1,2 ha =12000 m²
12000/250=48

a/b=4/3  ⇒b=3a/4
3a/2b=3a/(2x3a/4)=3a/(3a/2)=2

5x/2y=1,25
5x=2,5y
x=2,5y/5=y/2

x=y/2
 y/x=2