Question

3. Dan si Ana au, impreuna, 115 lei. Cati lei are fiecare, daca Ana are
de 4 ori mai multi lei decat Dan?
Va rog ​

Answer 1

Răspuns:

Dan=x

Ana=4x

x+4x=115

5x=115

x=115/5

x=23 lei

Dan are 23 lei

Ana are: 4×23= 92 lei

Answer 2

Răspuns:

D=dan

A=Ana

D+A=115

A=D×4

D+D×4

5D=115

D=115÷5

D=23

A=23×4

A=92