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Ne4ueva [31]
3 years ago
9

Thomas happened to notice that at 4:00 p.m. on his uncle's farm, a fence post that was 5 feet tall cast a 3 foot shadow. he also

noticed that a nearby tree cast a 12 foot shadow. how tall is the tree?
Mathematics
2 answers:
mash [69]3 years ago
8 0
I used the proportion:
5:3=x:12
x=((12)(5))/3=20
20 feet
NikAS [45]3 years ago
6 0
If he noticed both of them at exactly 4pm, the fence post would be 5:3, 12 is 4 x 3, giving you the multiplier, so 5 x 4 is 20, a 20:12 ratio which means that the tree should be approximately 20 feet tall.
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