Need help rearranging formulas?

Can someone please teach me how to rearrange formulas? For example, the following formula: Pi/Ti = Pf/Tf. How would I rearrange it so that I can solve for Tf? PLEASE SHOW STEPS I NEED HELP!

2 Answers

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  • 1 decade ago
    Favorite Answer

    pi pf

    --- = ----

    ti tf

    multiple tf to the left side so it's like : (tf)(pi)/ti = pf

    then muptiply the right by ti so it's : (tf)(pi) = (pf)(ti)

    then divide the let by pi so it's like (tf) = (pf)(ti)/(pi)

  • 1 decade ago

    Hi,

    Pi. . . Pf

    ---- = ----

    Ti. . . Tf

    Cross multiply. then solve for Tf.

    PiTf = PfTi

    . . . Pf Ti

    Tf = --------- <==ANSWER

    . . . . Pi

    Io hope that helps!! :-)

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