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the average rate of speed
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17 Feb 2022, 07:00
17 Feb 2022, 07:00
Expert Reply
00:00
Question Stats:
87% (00:39) correct
12% (00:54) wrong based on 24 sessions
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Quantity A |
Quantity B |
the average rate of speed needed to drive 350 km in 5 hrs |
the average rate of speed needed to drive 780 km hrs in 12 hrs |
A) The quantity in Column A is greater.
B) The quantity in Column B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Joined: 10 Apr 2015
Posts: 6218
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Re: the average rate of speed
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17 Feb 2022, 07:07
17 Feb 2022, 07:07
1
Carcass wrote:
Quantity A |
Quantity B |
the average rate of speed needed to drive 350 km in 5 |
the average rate of speed needed to drive 780 km hrs in 12 hrs |
A) The quantity in Column A is greater.
B) The quantity in Column B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Key concept: Speed = distance/time
So, we get:
QUANTITY A: Speed = (350 km)/(5 hours) = 70 km per hour
QUANTITY B: Speed = (780 km)/(12 hours) = 65 km per hour
Answer: A
Re: the average rate of speed
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17 Nov 2022, 00:16
17 Nov 2022, 00:16
1
Hi
for quantity A, I think you missed the word 5 "hrs"?
for quantity A, I think you missed the word 5 "hrs"?
