Math

posted by .

One-third of Derick's age two years ago is equal to a quarter of his age four years from now. How old is he now?

Please provide the following:
-Representation
-Equation
-Solution
-Answer
-Checking

  • Math -

    Let x = Derick's age now.

    (x-2)/3 = (x+4)/4

    Solve for x.

    4(x-2) = 3(x+4)
    x = 12+8 = 20
    Two years ago he was 18. 1/3 of that is 6
    Four years from now he is 24. 1/4 of that is also 6.

  • Math -

    Factorize 2x2square+8x - 10=0

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math age problem

    four years agoslyvia was two thirds as old as alex was then. four years from now, she will be four fifths as old as alex will be. how old are sylvia and alex now?
  2. Math

    2x represents that Clyde is twice (2 times) as old as Bonnie. 6 years from now, Clyde will be twice as old as his cousin Bonnie will be then. If Clyde is now 16 years old, how many years old is Bonnie?
  3. Algebra

    One half of Heather's age two years from now plus one third of her age three years ago is twenty years. How old is she now?
  4. math

    A. Brad is 12 years older than Sam . If Brad were 8 years older than he is now. he would be twice as old as Sam. How old is Sam now?
  5. math

    A. A woman was 30 years old when her daughter was born.Her age is now 6 years more than three times her daughter's age. How old will the daughter be in 5 years?
  6. math

    A. John is now 10 years older than Marcus. Three times John's age 5 years from now will be the same as five times Marcus's age 5 years ago. How old is John now?
  7. math

    1. Lisa is 15 years old and her father is 40. How many years ago was the father six times as old as Lisa?
  8. Math

    How many years old is a person if her age now is equal to her age in 3 years x 3, less 3 times her age 3 years ago?
  9. math

    How old are they? I found this question online. Please help me understand where I may have made a mistake. Thanking you in advance. My question: Norman is now 4 times the age of her son, 3 years ago, the sum of their ages was 49. How
  10. math

    one half of jeans age two years from now plus one third of her age three years ago is twenty years. how old is she now?

More Similar Questions