A total of n trucks and cars are parked in a slot.  If the number of cars is ~$\frac{1}{4}$~ the number of trucks, and ~$\frac{2}{3}$~ of the trucks are pickups, how many pickups, in terms of n, are parked in the slot?


~$\frac{1}{6}n$~

~$\frac{5}{12}n$~

~$\frac{1}{2}n$~

~$\frac{8}{15}n$~

~$\frac{11}{12}n$~

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