algebra

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The volume of gas varies directly with temperature and inversely with pressure. Volume is 100 m^3 when temperature is 1508 degrees and pressure is 15 lb/cm^2. What is the volume when the temperature is 2508 degrees and the pressure is 20 lb/cm^2?

  • algebra -

    v = kt/p , where k is a constant
    using the given data
    100 = k(1508/15
    k = 1500/1508

    so when t=2508 and p = 20

    v = (1500/1508)(2508/20) = appr 124.73 m^3

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