Since you didn't include the picture i could be wrong but the most famous 'study of a woman's back' i know of is matisse.
Style because it reflects what they like and dislike so style covers both of that so that would be the best answer I think
Answer: I think what you have to do is divide 50 km ÷ 1.5 = 33.33 km/h.
Explanation: 1.5 is 1 hour and 30 minutes so you just divide the speed by the hours you have. Hope it helps :)
Do we put in a picture or something?