math
posted by tessa .
There are 25 cars in a parking lot. Nine of the cars are red. The rest of the cars are black and white.
A. What percent of cars in the lot are red? Not red?
B. describe two ways to determine the percent of cars that are not black given the number of white cars.

% of cars in the lot that are red
= (9/25)*100 = 36%
% of cars in lot that are not red
= 10036=645