There were 64 trucks and 80 cars in the parking lot.
Total number of trucks and cars = 144
Total number of trucks will be:
= 4/(4+5) × 144
= 4/9 × 144
= 64 trucks
Number of cars will be:
= 5/(4+5) × 144
= 5/9 × 144
= 80 cars
Therefore, there were 64 trucks and 80 cars in the parking lot.
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