Ask Question
9 November, 03:04

Cameron's uncle is 3 times old as he is. 4 years ago, he was 4 times older. How old is Cameron?

+5
Answers (2)
  1. 9 November, 03:24
    0
    Let Cameron's age be c, and Cameron's uncle's age be u.

    Cameron's uncle is 3 times as old as he is: u = 3c.

    Four years ago, his uncle was 4 times older: u - 4 = 4 (c - 4).

    Now solve this system:

    u = 3c

    u - 4 = 4 (c - 4)

    Substitute 3c for u into the second equation and solve for c.

    u - 4 = 4 (c - 4)

    3c - 4 = 4 (c - 4)

    3c - 4 = 4c - 16

    -c - 4 = - 16

    -c = - 12

    c = 12

    Answer:

    Cameron is 12.
  2. 9 November, 03:26
    0
    Let Cameron be x years old now.

    -

    Now:

    Cameron = x

    Uncle = 3x

    -

    4 years ago:

    Cameron = x - 4

    Uncle = 3x - 4

    -

    4 years ago, Uncle is 4 times older:

    3x - 4 = 4 (x - 4)

    -

    Find x:

    3x - 4 = 4 (x - 4)

    3x - 4 = 4x - 16

    4x - 3x = 16 - 4

    x = 12

    -

    Find the age:

    Cameron = x = 12

    -

    Answer: Cameron is 12 years old now.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Cameron's uncle is 3 times old as he is. 4 years ago, he was 4 times older. How old is Cameron? ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers