Classic Probability
If the Probability of an event happening is 70%, what are the ODDS of the event happening?
A.7:10
B.7:3
C.10:7
D.3:7

only 10/60 isn't equivalent

hope this : )

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