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Andy and Brandon are outside on a sunny late afternoon. Andy, who is
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08 Aug 2022, 10:57
08 Aug 2022, 10:57
Expert Reply
00:00
Question Stats:
44% (02:32) correct
55% (01:01) wrong based on 9 sessions
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Andy and Brandon are outside on a sunny late afternoon. Andy, who is 1.6m tall, casts a 400cm shadow, while Brandon’s shadow is 300cm.
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Quantity A |
Quantity B |
twice Brandon’s height |
The absolute value of the difference between the length of Andy’s shadow and Andy’s height |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
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
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: Andy and Brandon are outside on a sunny late afternoon. Andy, who is
[#permalink]
09 Aug 2022, 03:18
09 Aug 2022, 03:18
1
Solution please!
As per my computations, option A is 2*1.2 while option B is 1.6-0.4=1.2. So the answer should be A. Can you please explain?
As per my computations, option A is 2*1.2 while option B is 1.6-0.4=1.2. So the answer should be A. Can you please explain?
Andy and Brandon are outside on a sunny late afternoon. Andy, who is
[#permalink]
09 Aug 2022, 04:18
09 Aug 2022, 04:18
Expert Reply
Quote:
Explanation: This is a ratio. Andy’s height is to Brandon’s height as the length of Andy’s shadow is to the length of Brandon’s shadow: 160/B = 400/300; so B = 120 (don’t forget to change Andy’s height into centimeters like the other measures.) Now, Column A = 2(120)=240, and Column B = 400-160 = 240.
