Question

Daca $\frac{0,24A}{4,5} = \frac{0,32}{0,3}$
atunci $\frac{A+12}{12} = ?$

Answer 1

0,24A/4,5=0,32/0,3
0,072A=1,44
A=20
(A+12)/12=(20+12)/12=32/12=8/3=2,(6)

Answer 2

0,3·0,24A=0,32·4,5
0,072A=1,44
A=1,44/0,072
A=20

 
(A+12)/12=(20+12)/12=32/12=2,(6)