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In California a redwood tree grows that is 150 feet high. At a certai
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27 Jul 2022, 01:56
27 Jul 2022, 01:56
Expert Reply
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Question Stats:
100% (01:34) correct
0% (00:00) wrong based on 9 sessions
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In California a redwood tree grows that is 150 feet high. At a certain time of day it casts a shadow 120 feet long. A nearby tree casts a shadow 180 feet long. How high is the second tree?
A 180
B 225
C 240
D 300
E 360
A 180
B 225
C 240
D 300
E 360
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas for a Q170
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: In California a redwood tree grows that is 150 feet high. At a certai
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27 Jul 2022, 14:12
27 Jul 2022, 14:12
Expert Reply
OE
Quote:
This is a proportion problem. 150/120=𝑥/180
Since you may not use a calculator on the test, be sure to cancel out the common factor of 30 to save multiplication time: 150 ⋅ 180/120 =30(5) ⋅ 30(6)/30(4)=900/4= 225
Since you may not use a calculator on the test, be sure to cancel out the common factor of 30 to save multiplication time: 150 ⋅ 180/120 =30(5) ⋅ 30(6)/30(4)=900/4= 225
gmatclubot
Re: In California a redwood tree grows that is 150 feet high. At a certai [#permalink]
27 Jul 2022, 14:12
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