In 20 years charles will be 3 times as old as he is now. How old is he now?

Discussion in 'Calculator Requests' started by math_celebrity, Jul 27, 2019.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    In 20 years charles will be 3 times as old as he is now. How old is he now?

    Let Charles's age be a today. We're given:
    a + 20 = 3a

    If we type this equation into our search engine, we get:
    a = 10

    Let's check our work in our given equation:
    10 + 20 ? 3(10)
    30 = 30 <-- Checks out!
     

Share This Page