#9 Problem of the Week 11/23 DUE 11/30

All homework is to be done on graph paper to be handed in. Problem of the week is due on Tuesday. Spelling and neatness count, all work must be shown for credit.

November 16 is National Fast Food Day. The table shows the countries with the most fast food restaurants and the number of restaurants per country. Source: Top 10 of Everything, p. 219

Country / Number of Restaurants

China                   554,170
United States        177,125
India                      38,598
Japan                     38,429
United Kingdom    26,189
Germany               23,616
Brazil                    17,955
Canada                17,036
Italy                     16,598
Russia                  10,228

a. What is the total number of fast food restaurants in the ten countries?


b. Which country has about 20% of the fast food restaurants of the 10 countries listed?
Remember 20% is 1/5


c. The table shows the approximate number of people in each of the top ten countries for fast food restaurants. Find the average number of people per restaurant for each country.
GRADES 7 & 8 WRITE THE NUMBERS OF PEOPLE IN SCIENTIFIC NOTATION.
Source: World Almanac, p. 848-49

Country    Number of People

China                 1,300,000,000
United States       293,000,000
India                  1,100,000,000
Japan                 127,000,000
United Kingdom  60,000,000
Germany             82,000,000
Brazil                184,000,000
Canada               33,000,000
Italy                    58,000,000
Russia               144,000,000

A 17 Million Digit Prime Number WOW

A new prime number, thought to be the largest ever identified, has been discovered by a professor at the university of Central Missouri. Curtis Cooper used a giant computer network to do the work to find the 17-million digit number - which is a number divisible only by itself and by one.

A 17 Million Digit Prime Number WOW