A store purchases a bicycle from the manufacturer for $150. The store then sells the bicycle for $215. By what percentage did the store mark up the bicycle?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Jim had 15 minutes to do 5 laps around his school what would his time be

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?