Suppose the number of inches a plant grows each day is linearly related to the hours the plant is exposed to sunlight. Given that the plant grows 2.5 inches a day if it gets 7 hours of sunlight, and it grows 3 inches if it gets 9 hours of sunlight. How many hours of sunlight did the plant get if it grew 1.2 inch a day?
Suppose the number of inches a plant grows each day is linearly related to the hours the plant is exposed to sunlight. Given that the plant grows 2.5 inches a day if it gets 7 hours of sunlight, and it grows 3 inches if it gets 9 hours of sunlight. How many hours of sunlight did the plant get if it grew 1.2 inch a day?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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
Transcribed Image Text:6. Suppose the number of inches a plant grows each day is linearly related to the hours the plant
is exposed to sunlight. Given that the plant grows 2.5 inches a day if it gets 7 hours of sunlight,
and it grows 3 inches if it gets 9 hours of sunlight. How many hours of sunlight did the plant
get if it grew 1.2 inch a day?
(А) 6.7
(В) 8.55
(С) 1.8
(D) 1.05
(E) 1.5
(F) None of the above
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