3 points 2. Faith was selling her old math book online. The book originally cost her
$150. Based on her research, she can sell the book for $67.50. What
percent of the original cost of the book can Faith earn back by selling her
book?

45%

Step-by-step explanation:

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