5 ta tovuq 5 kunda 7 kg don yesa,9 ta tovuq 10 kunda qancha don yeydi?
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1) 7kg÷5ta tovuq=1,4 kg (bitta tovuq 5 kunda eydigan don)

2)1,4kg÷5 kun=0.28 kg (bitta tovuq 1 kunda eydigan don)

3)0.28kg×9ta tovuq=2,52 kg (9ta tovuq 1 kunda eydigan don)

4)2,52kg×10kun=25,2kg(9ta tovuq 10 kunda eydigan don)

Javob: 25,2 kilogramm