Question

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1. 7penare costa 77000 lei . Cat costa 12 penare? Dar 3? Dar 25 de penare?
2.pt. 5 baloane =2500 lei Cati lei se vor plati pt 3 baloane?
3.5 muncitori sapa 1 zi 30 m şant
Cati m. sapa 11 muncitori?

Answer 1

1  Aflam cat costa un penar
       77000 : 7 = 11000 lei
   Aflam cat costa 12 penare
        11000 * 12 = 132000 lei
   Aflam cat costa 3 penare
       11000 * 3 = 33000 lei
    Aflam  cat  costa 25 penare
       11000 * 25 = 275000 lei

2. 5 baloane...........................2500 lei
     3 baloane ............................x lei
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     x = 3*2500 : 5 = 7500 : 5 = 1500 lei

3.  5m............................30 m sant / zi
     11 m..........................xm sant/zi
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     x = 11 * 30 : 5 = .330 : 5 = 66 m sant

Answer 2

1)
7 penare=77000lei
1 pener=77000:7=11000lei
12 penare=11000*12=132000lei
3 penare=11000*3=33000lei
25 penare=11000*25=275000lei
2)
5 baloane=2500lei 
1 balon=2500:5=500lei
3 baloane=500*3=1500lei
3)
5 muncitori=30m sant
1  muncitor=30:5=6 m  sant
11 muncitori=6*11=66m  de  sant