|----|----|----|----|----|----|----|----|----| suma|----|----|----| bicicleta |----|----| chitara |----|----|----|----| tableta
segmentul = 400 : 4 = 100 leibicicleta = 100 • 3 = 300 leichitara = 100 • 2 = 200 leitableta = 400 leieconomii familie = 300 + 200+400=900lei