A person invested $3,600 in an account growing at a rate allowing the money to double every 13 years. How long, to the nearest tenth of a year would it
take for the value of the account to reach $11, 300?

coin flip

non-answer:

choosing

sorry if this isnt what you're looking for i dont really understand the question

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