Find Third Number

Discussion in 'Algebra' started by nycmathguy, Jul 30, 2022.

  1. nycmathguy

    nycmathguy

    Joined:
    Jun 27, 2021
    Messages:
    5,386
    Likes Received:
    422
    The product of three numbers is 3876. Two of the numbers are 19 and 17. What is the third number?

    Let me see.

    Let n = the third number

    (19)(17)n = 3876

    323n = 3876

    n = 3876 ÷ 323

    n = 12

    The third number is 12.
     
    nycmathguy, Jul 30, 2022
    #1
  2. nycmathguy

    MathLover1

    Joined:
    Jun 27, 2021
    Messages:
    2,989
    Likes Received:
    2,884
    correct
     
    MathLover1, Jul 30, 2022
    #2
    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

    Joined:
    Jun 27, 2021
    Messages:
    5,386
    Likes Received:
    422
    Thanks for checking my work.
     
    nycmathguy, Jul 31, 2022
    #3
Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.