Answer:
33
Explanation:
Amount of red cars are 17.5% of 240
240 x 0.175 = 42
There are 42 red cars
The rest of the cars are:
240 - 42 = 198
We know there's 6 colors in the lot except red and that every color has equal amount of cars so:
198 / 6 = 33
Given as an example, there are 33 black cars