During the summer, the population of spring lake is 30,155. during the winter, the population drops down to 13,876. how many people spend only the summer months in spring lake

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.