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college math

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The formula b=34a is used in New England to estimate the minimum furnace output, b, in BTUs, for a modern house with a square feet of flooring.
a)Determine the minimum furnace output for a 16000 ft^2 modern house
b)Solve for formula a

  • college math -

    a. Wow, is that a palace? Most city lots don't have 16,000 sq.ft! Anyway,
    b=34*16000 BTU
    =544,000 BTU
    (costs $5/hour to heat the place, or palace).

    b=34a
    b/34=a
    a=b/34 sq.ft.

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