The box-and-whisker plots below show the test scores for Mr. Scott's three math classes. Based on this information, with which class or classes does Mr. Scott most need to review the material covered on the test?

A. third period
B. first period
C. third and fourth periods
D. fourth period

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

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7