To write 3000 as a fraction you have to write 3000 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
3000 = 3000/1 = 30000/10
And finally we have: 
3000 as a fraction equals 30000/10
        
             
        
        
        
Whenever you get questions like these you can turn the percentage into a decimal by adding a point at the beginning of a number then multiply the decimal by the number you need to find a part of
        
             
        
        
        
5 is Your answer,5 factors into 10 but none of the other choices do
 
        
                    
             
        
        
        
The 82nd term for the sequence would be -4
        
             
        
        
        
Answer:
Scarce demand / inflation
The word "scarce" means low on supplies or anything else.
Inflation is the term used when a price increases in the market.
These two terms together would best describe the higher demand.
Hope this helps, have a great day! ♥