Question

ajutați mă va rog mult!

Answer 1

1q=100kg

1t=1000kg

Fie x=cantitatea de faina folosita in cea de-a treia zi

zi2= x+5q= x+500 kg

zi1= x+500 / 2 si le adunam:

x+ x+500 + x+500 / 2 = 9000 kg si aducem la acelasi numitor

2x+2x+1000+x+500 = 18000

5x = 18000 -1500

5x = 16500

x = 16500 : 5 = 3300kg ziua 3

zi2: 3300+500= 3800 kg

zi1: zi2 : 2 = 3800 : 2 = 1900 kg

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Verificare: 1900+3800+3300 = 9000 kg = 9 t, corect.