Purple paint is made from mixing red paint and blue paint. The diagram shows the relationship between the amount of red paint and the amount of blue paint needed to make purple paint.

What fraction of each gallon of purple paint is red paint?

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

what is the answer?