Ask questions and get helpful answers.

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?

B. In 1 year Kristen will be four times as old as Danielle. Ten years from then Kristen will only be twice as old as Danielle. How old is Kristen now?

C. 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?

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
5 answers
  1. 1. John is now 45 years old.

    45 (John) ---- 50 X 3 = 150
    35 (Marcus) ---- 30 X 5 = 150

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. thank you

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  3. john's present age is at least three times as great as his age 10 years ago. Find the greatest possible age of john at present

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  4. A.
    J=10 + M
    3J +5=5M-5
    3(10+M)+5=5M-5
    30+3M+5=5M-5
    2M=40
    M=20

    J=10+M=30

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  5. J=10+m
    3J+5=5m–5
    3(10+m)=5m–10
    30+3m=5m–10
    2m=40
    M=20
    And J=10+m
    10+30
    J=40

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Answer this Question

Related Questions

Still need help?

You can ask a new question or browse existing questions.