Question

$\frac{a}{b} = 0.8.... \frac{3a + 2b}{4b}$
va rogg urgenttt daca puteti sa imi explicati
Dau coroana​

Answer 1

a/b=0,8

a=0,8b

(3a+2b)/4b=(3×0,8b+2b)/4b=(2,4b+2b)/4b=4,4b/4b=1,1