From a barrel with a capacity of 350 liters through the drain hole every minute 3 liters of water flows out.

From a barrel with a capacity of 350 liters through the drain hole every minute 3 liters of water flows out. After how long the barrel is empty by half. (The solution is in Pascal.)

Note that half of the barrel is 1/2
In Pascal language, this program will look like this:
Begin
writeln (350/2/3 * 60, ‘seconds’);
end.