PLEASE HELP! Each equation below is followed by several stories.
Select all of the stories that can be represented by the equation.
If none of the stories can be represented, select "None of the above".

(a)x-10=100
1 Latoya is years old. Charlie is years younger than Latoya. Charlie is years old.
2 Latoya is years old. In more years, she will be years old.
3 Charlie is years old. Latoya is years older than Charlie. Latoya is years old.
4 Charlie is years old. And years ago, he was years old.
5 None of the above

(b) 7x=14
1 Latoya's math test covers chapters. Each chapter has questions on the test. The test has questions.
2 Latoya's math test has two parts. One part has questions. The other part has questions. The test has questions.
3 Latoya's math test has problems. Each problem is worth points. Her math test is worth points.
4 Latoya's math test is worth points. She missed points on her test. Her overall test score is points.
5 None of the above