Question

daca a/b=7 si b/c =5 cat este a/c?

Answer 1

a/b*b/c=35
b si b se reduc si ramana a/c=35

Answer 2

Se inmultesc cele doua relatii si se obtine $\frac{a}{b} \frac{b}{c}$
$\frac{a}{c}$=7·5=35