It depends where you get it, rectangular fish tanks usually only come in 10, 20, 29 Gallons and on. If you can find a 15 gallon tank it would cost around $20.00
It would be more if you bought a stand and stuff like that for it, tanks that are 15 gallons are usually sold with stands.
Leaded regular cost $1.19/gallon, while unleaded regular cost $1.25/gallon, and the average for all grades for the US in 1980 was $1.22/gallon.
Generally anywhere from $10-15.00. http://www.TheExoticFish.com
The US average in 1979 was 63 cents per gallon. That would be about $2.04 per gallon in today's dollars (2014).
In 2009, the US national average cost of one gallon of regular gasoline was $2.35
Currently, the lowest price for regular gas is $3.39/ gallon, and the highest price for regular is $3.49/ gallon.
The national average for a gallon of regular gasoline in February 2010 was: $2.659
The national average for a gallon of regular gasoline in February 2008 was: $3.03
The average price for a gallon of regular gasoline in 1979 was: $.90 cents.
In May 1961, the US national average cost of one gallon of regular gasoline was 31 cents.
It will cost you 500.00 in gas
$27.84
In Ks. bought it for 20-30 cents a gallon. Regular or ethal.