6. General Interest In the Bible (Genesis, Chapter 7), Noah built an ark 300 cubits long. 50 cubits wide, and 30 cubits high. In I Samuel, Chapter 17. it is reported that the giant Goliath was "six cubits and a span" in height. If 1 cubit = 18 in. and 1 span = 9 in.: (a) What were the dimensions of the ark in feet? (b) How tall was Goliath in feet and inches? 7. Flooring and Carpeting A homeowner needing carpeting has calculated that 140; sq yd of carpet must be ordered. However, carpet is sold by the square foot. Make the necessary conversion for her. 10. Welding How many pieces 8; in. long can be cut from a piece of 20-fi stock? Allow for 16 in. kerf (waste due to the width of a cut). 11. Water/Wastewater Treatment A sewer line has a flow rate of 1.25 MGD (million gallons per day). Convert this to cfs (cubic feet per second). (Round to two decimal places.) 12. Hydrology A reservoir has a capacity of 9000 cu ft. How long will it take to fill the reservoir at the rate of 250 gallons per minute? 13. Sheet Metal Trades A machinist must cut 12 strips of metal that are each 3 ft 2g in. long. What is the total length needed in inches? 14. Allied Health A hospitalized patient must drink ? pint of liquid every 2 hours. How many quarts of liquid will the patient drink in 3 days? 19. Painting A painter must thin some paint for use in a sprayer. If the rec- ommended rate is ; pint of water per gallon of paint. how many total gal- lons will there be after thinning 8 gal of paint? 20. Interior Design A designer is pricing a certain wool carpet for a new house. She finds it listed for $139.50 per square yard at Carpet City and $16.65 per square foot at Carpetorium. (a) Which is the better buy? (b) How much will she save on 166 sq yd