Is the number of seconds required to travel d1 feet at r1 feet per second greater than the number of seconds required to travel d2 feet at r2 feet per second?
(1) d1 is 30 greater than d2.
(2) r1 is 30 greater than r2.
OA: E
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QUESTION 3
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austin
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time = distance /speed
Stem translation: Is d1/r1 > d2/r2?
(1) d1 is 30 greater than d2 No info about r1,r2
(2) r1 is 30 greater than r2. No info about d1,d2
Combining, is (d2+30)/(r2+30) > d2/r2?
d2 = r2 = 1; 31/31 > 1/1? NO
d2 = 50, r2 = 1; 80/31 > 50/1? NO
d2 = 20, r2 = 50; 50/80 > 20/50? YES INCONSISTENT ANSWERS
Answer: E
Stem translation: Is d1/r1 > d2/r2?
(1) d1 is 30 greater than d2 No info about r1,r2
(2) r1 is 30 greater than r2. No info about d1,d2
Combining, is (d2+30)/(r2+30) > d2/r2?
d2 = r2 = 1; 31/31 > 1/1? NO
d2 = 50, r2 = 1; 80/31 > 50/1? NO
d2 = 20, r2 = 50; 50/80 > 20/50? YES INCONSISTENT ANSWERS
Answer: E
