Răspuns :
Reprezint grafic timbrele copiilor
Ion l----l----l----l + 9 } total = 289
Maria l----l----l----l----l----l
289 - 9 = 280 → suma celor 8 parti egale
280 : 8 = 35 → 1 / 5 din timbrele Mariei
5 × 35 = 175 timbre are Maria
3 × 35 + 9 = 105 + 9 = 114 timbre are Ion
Raspuns: Ion are 114 timbre
Ion l----l----l----l + 9 } total = 289
Maria l----l----l----l----l----l
289 - 9 = 280 → suma celor 8 parti egale
280 : 8 = 35 → 1 / 5 din timbrele Mariei
5 × 35 = 175 timbre are Maria
3 × 35 + 9 = 105 + 9 = 114 timbre are Ion
Raspuns: Ion are 114 timbre