The heat loss of a glass window varies jointly as the window's area and the difference between the outside and inside temperatures. A window 5 feet by 6 feet loses 6000 Btu per hour when the temperature outside is 40° colder than the temperature inside. Find the heat loss through a glass window that is 8 feet by 18 feet when the temperature outside is 20° colder than the temperature inside.
The heat loss of a glass window varies jointly as the window's area and the difference between the outside and inside temperatures. A window 5 feet by 6 feet loses 6000 Btu per hour when the temperature outside is 40° colder than the temperature inside. Find the heat loss through a glass window that is 8 feet by 18 feet when the temperature outside is 20° colder than the temperature inside.
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter4: Quadrilaterals
Section4.CT: Test
Problem 5CT
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Transcribed Image Text:The heat loss of a glass window varies jointly as the window's area and the difference between the outside and inside temperatures. A window 5 feet by 6 feet loses 6000 Btu per hour when the
temperature outside is 40° colder than the temperature inside. Find the heat loss through a glass window that is 8 feet by 18 feet when the temperature outside is 20° colder than the temperature
inside.
The heat loss is
Btu per hour.
(Type an integer or a decimal.)
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