The blueprints in the bedroom has a width of 15 inches using the scale of 3 inches equals 6 feet the family wants to scale to be 1 inch equals 6 feet what is the width of the bedroom on the new blueprint There are 40 students in the cafeteria 20% of the students eat cold lunch the lunch lady reserve six lunches is that enough explain

If there are actually 10 students that eat cold lunch what is the percent error round to the nearest whole percent