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    Who can show me how to resolve this: An elevator moves at rate of -3.5 feet per second from a height of 100 feet above ground. it takes 4 seconds for the elevator to mke its first stop. hpw many feet above the ground is the elevator now?

    I want to understand so I can explain to my daughter

    0  Views: 2292 Answers: 1 Posted: 12 years ago
    Tags: algebra

    1 Answer

    The elevator would be 86 feet above the ground. Its pretty simple all you have to do is times 3.5 by the number of seconds so in this case 4 which would equal 14 then you minus 14 from 100.

    mycatsmom

    Why do you minus 14 from 100 ? And she's talking about negative numbers, b/c she said --3.5


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