Question

Dacă $\frac{a}{b}$=$\frac{3}{8}$,aflaţi valoarea rapoartelor $\frac{a+b}{b-a}$ şi $\frac{a+3}{b+8}$.

Answer 1

a=3b/8
(3b/8+b)/(b-3b/8)=(3b+8b)/(8b-3b)=11b/5b=11/5
(3b/8 +3)/(b+8)=(3b+24b)/8 :(b+8)/1=27b/8(b+8)