Coal was once a booming industry in central Pennsylvania. However, the industry has begun to decline. In the year 1950 about 600,000 were employed in the local coalmines. Since then the number of coalminers has declined by 5% every 6 years. How many coal workers were/will be employed in the 1962?

441055

804057

541500

661500

Question

Coal was once a booming industry in central Pennsylvania. However, the industry has begun to decline. In the year 1950 about 600,000 were employed in the local coalmines. Since then the number of coalminers has declined by 5% every 6 years. How many coal workers were/will be employed in the 1962?



441055
		
804057
		
541500
		
661500

anonymous · Answer

600000 * 0.05 = 30000 so after 6 years, the population is 570000.
570000 * 0.05 = 28500 so after another 6 years, (or 12 total), the population is541500