solve it correctly please. my last attempt. show all work. I will rate accordingly with multiple votes.

7. There are 900 vehicles in Square One parking lot on a Saturday afternoon. Of these, 515 are cars, 420 were grey and 300 had a sunroof. Further, 210 of the cars had a sunroof, 205 of the grey vehicles had a sunroof, and 375 of the cars were grey. 180 of the grey cars had a sunroof. a) Use a Venn diagram to determine how many vehicles were not cars, not grey and had no sunroof. [5] b ) What is the probability of vehicle being a colour other than grey given that you knew it wasn't a car? [3]