Question

10)Daca $\frac{a}{b} = \frac{3}{10}$ iar $\frac{b}{c} = \frac{5}{6}$ ,aflati $\frac{a}{c}$

Answer 1

a/b=3/10⇒10a=3b⇒a=3b/10
b/c=5/6⇒5c=6b⇒c=6b/5

a/c=(3b/10)/(6b/5)=3b/10:6b/5=3b/10*5/6b=15b/30b=1/2