Decimal expansion of -11/15

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Can someone tell me if this is perpendicular? !