Abag of marbles contains 3 red marbles, 4 blue marbles, and 6 green marbles. if two marbles are pulled out without replacement, find the probability of getting one red and one blue marble.
(can you show the work so i can see how to get the answer) .

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