$($a$)$ A rectangular gasoline tank can hold $50\mathrm{.}0$ kg of gasoline when full. What is the depth of the tank if it is $0\mathrm{.}500.$m wide by $0\mathrm{.}900-$m long? The density of gasoline is guil to the density o patrol $-0\mathrm{.}68$ glam $($b$)$ Discuss whether this gas tank has a reasonable volume for a passenger car.