Răspuns :
Garoafe albe = a
Garoafe rosii = r
A + r = 30 --> r = 30-a
A•5 = r
--> 30-a = a•5 /+a
30 = 6•a /÷6
5 = a
R = a•5 = 5•5 = 25
Maria are 5 garoafe albe (a) si 25 garoafe rosii (r).
Garoafe rosii = r
A + r = 30 --> r = 30-a
A•5 = r
--> 30-a = a•5 /+a
30 = 6•a /÷6
5 = a
R = a•5 = 5•5 = 25
Maria are 5 garoafe albe (a) si 25 garoafe rosii (r).