Question

There were 210 cars in the parking lot. Of these, 75 were white and 120 were red. The rest were black. How many black cars were there in the parking lot?

Answer 1

210 cars:
75 White
120 red
The rest, black cars

To get the number of black cars, you get the sum of 75 and 120, which is 195.

Then you do 210-195 to get 15 .

That is your answer 15 black cars