Each of the 8 circles contains a different whole number. The sum of the 8 numbers is 51. The sums of the 3 numbers along each side of the square are shown on the diagram. What is the sum of the numbers in the shaded circles?

a negative exponent is translated as follows:

so, we have

21

step-by-step explanation:

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