1. a population of tropical fish is decreasing at an annual rate of 6% per year.
(a) write an equation to represent the total population of tropical fish as a function of time in years.
(b) what is the monthly rate of decrease? show your work.

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

step-by-step explanation: