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  • very helpful taking my college math placement test for the second time tomorrow and trying to avoid remedial classes its a struggle

    probowler09 2 years ago

  • rada rada

    chimeran3 2 years ago

  • LOL!!! u just pwned my teacher..

    lol

    ashisthebest 3 years ago

  • this is simple:

    75x + 55x = 520

    130x =520

    x = 520/130

    x = 4

    just like NoNamesOnMe said, only written in algebra-ic way.

    Rocksolid88 3 years ago 2

  • Easier way of doing this - just add the two numbers (55 and 75) to get 130, which is how many miles they can travel in an hour. 520/130 = 4.

    NoNamesOnMe 3 years ago 2

  • yeah that's what i was thinking too haha b/c when im taking a big test im not gonna have time to draw all these charts and lines etc. xP

    Chase0782 3 years ago

  • could you use a proportion?

    kittylove5555 3 years ago

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