Answer:
16.2 foot shadow
Step-by-step explanation:
Let the shadow cast by 27 foot tree be x.
Using ratio and proportions,
18 / 30 = x / 27
(18 x 27) / 30 = x
x = 486 / 30
x = 16.2
E
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y = 16
4-3 is 1 also known as y
therfor y = 16
71614 is the answer, this can be found by simply solving this expression: 72000 - 386
