A parking lot contains 160 vehicles. Each vehicles is either a car or a truck, and each vehicle is either red or green. 70 vehicles are red and 120 vehicles are cars. If there are 18 green trucks, how many red cars are there?
To calculate the number of red cars, we can use the following steps:
Calculate the number of green cars:
* Total vehicles = 160
* Red vehicles = 70
* Green vehicles = 160 - 70 = 90
* Cars = 120
* Green cars = 90 - 18 (green trucks) = 72
Calculate the number of red cars:
* Total cars = 120
* Green cars = 72
* Red cars = 120 - 72 = 48
Therefore, there are 48 red cars in the parking lot.
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