GWD-22-31滔滔

Q31:A total of n trucks and cars are parked in a lot.  If the number of cars is 1/4 the number of trucks, and 2/3 of the trucks are pickups, how many pickups, in terms of n, are parked in the lot?

D.8*n/15

这个题看不懂什么意思？恳请解答

the number of trucks is 4n/5

the number of cars is n/5

pickups are 4n/5 * 2/3 = 8n/15

terrible，读题干有问题真麻烦