Răspuns:
Explicație pas cu pas:
.......I=un balon
.......I.......I.......I.......I.......I.......I=o minge
.......I.......I.......I.......I.......I=5balone (5 segmente)
.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I.......I=7mingi (7x6=42segmente
Le adunam 5 segmente+42 segmente=47 segmente
47 segmente=131 1n segment=un balon=131:47≅2,79 lei
o minge=6 x2,79=16,72 lei