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Akilah traveled at a rate of x miles per hour for 2x hours.
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15 Jul 2018, 02:57
15 Jul 2018, 02:57
Expert Reply
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00:00
Question Stats:
76% (00:48) correct
23% (00:46) wrong based on 253 sessions
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Akilah traveled at a rate of x miles per hour for 2x hours.
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 |
The number of miles Akilah traveled |
\(3x\) |
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.
Re: Akilah traveled at a rate of x miles per hour for 2x hours.
[#permalink]
15 Jul 2018, 03:35
15 Jul 2018, 03:35
1
Expert Reply
1
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Explanation
Use D = RT:
Distance = \(x(2x)\)
Distance = \(2x^2\)
Which is greater, 2x2 or 3x? If x = 1, then 3x is greater.
But if x = 2, then 2x2 is greater.
Without information about the value of x, the relationship cannot be determined.
Use D = RT:
Distance = \(x(2x)\)
Distance = \(2x^2\)
Which is greater, 2x2 or 3x? If x = 1, then 3x is greater.
But if x = 2, then 2x2 is greater.
Without information about the value of x, the relationship cannot be determined.
Re: Akilah traveled at a rate of x miles per hour for 2x hours.
[#permalink]
11 Sep 2019, 23:19
11 Sep 2019, 23:19
1
r = 2x*x which is = 2x^2
x could be anything so the answer d
x could be anything so the answer d
