Mazie counted 40 black cars, 20 silver cars and 30 black cars in the parking lot. What is the ratio of white cars to the other cars in simplest forms

Math ! will give branliest at a car and truck dealership, the probability that a vehicle is white is 0.25 . the probability that it is a pick up truck is 0.15 . the or obability that it is a white pick up truck is 0.06 . what is the probability that the vehicle is white, given that the vehicle is a pickup truck . round your answer to two decimal places .