Ruben is collecting cans for the recycling contest at school. he makes two plans to try to collect the most cans. plan a: collect 20 cans each week for 9 weeks. plan b: collect 30 cans each week for 7 weekspart awhich plan should ruben choose? part bexplain how you made your choice

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in