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## 500 ds test11 #23

This topic has 1 member reply
dunkin77 Master | Next Rank: 500 Posts
Joined
01 Apr 2007
Posted:
269 messages

#### 500 ds test11 #23

Thu Apr 19, 2007 12:14 pm
23. A car traveled a distance of d miles in t minutes at an average rate of r miles per minute. What is the ratio of d to r ?
(1) t = 30
(2) d = 25

Hi,

I thought the answer is C) but turned out to be A)... Can anyone please explain why A is correct?

Prasanna Master | Next Rank: 500 Posts
Joined
26 Feb 2007
Posted:
418 messages
24
Thu Apr 19, 2007 7:02 pm
dunkin77 wrote:
23. A car traveled a distance of d miles in t minutes at an average rate of r miles per minute. What is the ratio of d to r ?
(1) t = 30
(2) d = 25

Hi,

I thought the answer is C) but turned out to be A)... Can anyone please explain why A is correct?
From the problem statement we get that d/t=r (distance/time=speed). We can state this as d/r=t. (1) says t=30 which is the ratio of d to r and hence the answer is A.

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