1.How can you adapt the methodology of needs study to the planning of a system of parks and playgrounds within a city?
2.What is the bulk densityof a box filled with 88 marbles, each of which weighs 1/2 oz, wherethe box weighs 9 oz and has interior measurements of 4" x 5" x10"?
3.A sample of mortar fills a900 ml beaker. The mortar and beaker combined weighs 3 lb and the empty beaker weighs 2 oz. What is the weight density of this mortarsample?