algebra

posted by .

Kelly is nine years older than her sister. Kelly's age is one more than twice her sister's age. What is Kelly's age?
how do I solve this problem?

  • algebra -

    K = S + 9
    K = 2S + 1

    s + 9 = 2S + 1
    -S -s

    9 = S + 1
    8 + S
    K = 17

  • algebra -

    thanks

  • algebra -

    aDS9UH89REWI0W

  • algebra -

    John is as many years older than his brother as he is younger sister if you know the age of his brother and is sister, how can you find John's age?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Algebra

    Mario is 16 years older than his sister Mercedes. Together, their ages total 36 years. How old is Mercedes?
  2. algebra

    juan is 8 years than his sister rosa. one day, he tells rosa that he is twice her age, but will only be twice her age for one year. to figure out how old juan and rosa are, you must first identify the conditions. what are the conditions …
  3. Algebra

    Juan is 8 years older than his sister Rosa.One day, Juan tells Rosa he is twice her age, but will only be twice her age for one year.To figure out the ages of Juan and Rosa you must first identify the variables. What are the variables …
  4. Math

    Ricky wrote the following to show that his sister's age is 6 yrs. less than 3 times his age. Explain what he did wrong. Give the correct expression Let a stand for my age My sister's age a/3-6
  5. math

    50. 5 years ago, Jack was six less than twice of Kelly's current age. If Kelly was 20 years old three years ago, how old will be jack in 10 years?
  6. algebra

    Ulani has an older siste and a younger sister. Her older sister is one year more than twice Ulani's age. Ulani's younger sister is three years younger than she is. The sum of their ages is 26. Find Ulani''s age 2x + 1 - 3 = 26
  7. math

    Kelly is 13 years younger than twice Jane's age. Write an expression for Kelly's age. Let x represent Jane's age. I tried every thing and I could still not get this right.
  8. Algebra

    Kelly is x years old. Mike is 2 years older than twice Kelly's age. The sum of Kelly and Mike's ages is 26. How old is Mike?
  9. Pre-Algebra

    Matthew is 5 years older than twice the age of his sister. If Matthew is 13, how old is his sister?
  10. math

    your brother is 1/3 your age.your sister is 6 years older than your brother. your sister is 10 years old. write and solve and equation to find your age a

More Similar Questions