va rooog urgeent!!!!

Răspuns:
a+b+c+d=2250
b=a/2=>a=2b
c=b/2
d=c/2=>d=b/4
⁴⁾2b+⁴⁾b+²⁾b/2+b/4=⁴⁾2250
8b+4b+2b+b=9000
15b=9000
b=9000:15=>b=600 l al2lea bidon
a=1200 l primul bidon
c=300 l al3lea bidon
d=600:4=>d=150 l al4lea bidon
verificare: 1200+600+300+150=2250 l
Răspuns:
B1 = Bidonul 1
B2 = Bidonul 2
B3= Bidonul 3
B4 = Bidonul 4
B1 /------/------/------/------/------/------/------/------/
B2/------/------/------/------/
B3/------/------/
B4 /------/
B1 + B2 + B3 + B4 = 2250 l
15 segmente = 2250 l
1 segment= 2250: 15 = 150
B4= 150 l
B3 = 150 × 2 = 300
B2 = 300× 2 = 600
B1 = 600 × 2 = 1200
Verificare : 1200 + 600 + 300 + 150 = 2100 + 150 = 2250 l