statistics and Probability

'VC'M: NM 1 The population of a town increased from 3950 in 2006 to 5400 in 2009. Find the absolute and relative (percent) increase. A store has clearance items that have been marked down by 40%. They are having a sale, advertising an additional 60% off clearance items. What percent of the original price do you end up paying? A friend has a 81% average before the final exam for a course. That score includes everything but the final, which counts for 20% of the course grade. What is the best course grade your friend can earn? % What is the minimum score would your friend would need on the final to earn a 75% for the course? A car is driving at 50 kilometers per hour. How far, in meters, does it travel in 5 seconds? You want to put a 3 inch thick layer of topsoil for a new 12 ft by 26 ft garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order? The store only sells in increments of 1M cubic yards. Out of 280 racers who started the marathon, 258 completed the race, 19 gave up, and 3 were disqualified. What percentage did not complete the marathon? A 6 inch personal pizza has 650 calories, with 240 of those from fat. A 12 inch pizza is cut into 8 slices. Estimate the number of calories in one slice of a 12 inch pizza. The store is selling lemons at $0.47 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make two 9-inch lemon pies, each requiring half a cup of lemon juice? Sound travels about 7'50 miles per hour. If you stand in a canyon and sound a horn, you will hear an echo. Suppose it takes about 3 seconds to hear the echo. How far away is the canyon wall, in feet? Now let's generalize that result. Suppose it takes :1 seconds to hear the echo. How far away is the canyon wall, in terms of n? When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body weight when the fever is under 102.5 degrees Fahrenheit. How much medicine would be usual dose for a 18 month old weighing 20 pounds? A long year-end status report for work is 136 pages long. You need to print 18 copies for a meeting next week. How much is the paper going to cost for those reports? Paper is sold in reams (500 pages) for $3.21 each