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?
500 ds test11 #23
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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.