What's the probability of selecting a red marble from a bag of marbles with:

10 red marbles
20 black marbles
30 blue marbles

need !

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

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest