Question

2 si 2 dau.coroana fast.rpd

Answer 1

b=bluza
r=rochie

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Answer 2

notam b=bluze
         r=rochii
 4b+3r=17 m
3b+2r=12m    scadem absolut totul si ne da :
(4b-3b)+(3r-2r)=17-12
b+r=5metri
b=5-r inlocuim in 3b+2r=12
3(5-r)+2r=12
15-3r+2r=12
15-r=12
r=3 metri, atunci:
3b+6=12
3b=6
b=2 metri