• 2013 June(71C) Math Question 20

    Word Problems

    - Interesection

    Least Common Multiple (LCM)
    Choice J
    $$4n=14m \\$$ $$ \Rightarrow n=7,\ m=2 \\$$ $$ \Rightarrow t=4\times7=28 \ seconds$$

    Skills you are tested for:

    Was this explanation helpful?

    • Comments

    To leave a comment,