Asked by Avery

The formula b=29a is used to estimate the minimum furnance output B in btus for a modern house with the amount of square feet of flooring A

1. determine the minimum furnance output for a 2300 ft2 modern house

2. solve the formula A
Answered by Henry
1. B = 29 * 2300 = 66,700 BTUs.

2. B = 29A,
A = B/29.

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