8 ... u gotta add 5+3 which is 8 soo ya\ prolly wrong (I kinda stink at math)but whatevs
There is no way that the amount of cars and trucks can evenly fit into the 270 minutes and $150.
The closet i got was
A) 6 trucks and 4 cars for $150 and 390 minutes
B) 2 trucks and 10 cars for $150 and 380 minutes
C) 3 trucks and 5 cars for $105 and 270 minutes.
The answer is X-2 ........
-5 is the answer I believe