A rectangular gasoline tank can hold $47\mathrm{.}0$ kg of gasoline when full. What is the depth of the tank $($in m$)$ if it is $0\mathrm{.}450$m wide by $0\mathrm{.}900$ m long?

m

$($b$)$

What is the volume of the tank $($in gal$)?($It is suitable for a passenger car.$)$

gal