The following statements describe a certain country's economy. What type of economy does this country have? I. Most citizens farm at the subsistence level. II. Citizens barter with each other for needed items. III. Doctors and professionals often accept food or other goods in exchange for services.

Amathematical approximation called the rule of 70 tells us that the number of years that it will take something that is growing to double in size is approximately equal to the number 70 divided by its percentage rate of growth. thus, if mexico's real gdp per person is growing at 7 percent per year, it will take about 10 years(=70/7) to double. apply the rule of 70 to solve the following problem. real gdp per person in mexico in 2005 was about $11,000 per person, while it was about $44,000 per person in the u. s. if real gdp per person in mexico grows at the rate of 5 percent per year: how long will it take mexico's real gdp per person to reach the level that the united states was at in 2005? (hint: how many times would mexico's 2005 real gdp per person have to double to reach the u. s.'s 2005 real gdp per person?

When the national economy goes from bad to better, market research shows changes in the sales at various types of restaurants. projected 2011 sales at quick-service restaurants are $164.8 billion, which was 3% better than in 2010. projected 2011 sales at full-service restaurants are $184.2 billion, which was 1.2% better than in 2010. how will the dollar growth in quick-service restaurants sales compared to the dollar growth for full-service places?

Heather has been an active participant in a defined benefit plan for 19 years. during her last 6 years of employment, heather earned $42,000, $48,000, $56,000, $80,000, $89,000, and $108,000, respectively (representing her highest-income years). calculate heather’s maximum allowable benefits from her qualified plan (assume that there are fewer than 100 participants). assume that heather’s average compensation for her three highest years is $199,700. calculate her maximum allowable benefits.