8) 92.31
9) 9
10) 60%
11) 70
12) 8%
13) By using the formula given. multiplying by 100 and dividing or dividing and then multipling.
the answer will be
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