b = 28 * 2200
b = 61,600 BTU
a = b/28 = .0357 b
The formula b=28a 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 2200 ft squar modern house
B) Solve the formula for a
2 answers
0.0357
1 answer