# In two tanks there were 30 t of gasoline. After from each tank sold at 6 t, in the first the tank was twice Bol she gasoline what in the second. How many tons of gasoline were in each tank originally. On actions pzh

Nidabvill

149

1) Became 30-(2*60)=18 in 2 tanks 2) 18:3+6=12-was in the 2nd tank 3) 2*6+6=18-was in 1 tank

x +6 in one tank

of the 2nd +6 in another a tank

of All was 30 l

x +6+2kh +6=30;

of the 3rd =30-12;

of the 3rd =18;

x =18:3;

x =6;

6+6+2*6+6=30;

6+6=12 (l was in one tank);

2*6+6=18 (the tank was l in another)

Answer's: on 12 and 18 l of gasoline was in tanks originally

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