Question

The pie chart shows the colours of 20 cars parked in a local car park.

What percentage of the cars are black?

How many black cars are there?

Answer 1

Black = 2*3 = 6 cars;

Blue = 2*2*3 = 12 cars;

Red = cars;

White = 2*9 = 18 cars;

The number of each colour car is a factor of 36( blue, red, white);

black + blue + red + white = 45 cars.