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10 May 2010, 16:48
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(1) One of the sides of the path is 120 meters long.
(2) One of the sides of the path is twice as long as each of the two shortest sides.
CAn someone help me solve this. I thought answer is E but I am wrong.
ALso, in Ds #149, can we assume that the x-coordinate of Q is greater than x-coordinate of P (6). Based on this assumotion the answer changes, I think.
ALso, in Ds #149, can we assume that the x-coordinate of Q is greater than x-coordinate of P (6). Based on this assumotion the answer changes, I think.
Solving this question helps.
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10 May 2010, 17:29
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The figure above shows the number of meters in the lengths of the four sides of a jogging path. What is the total distance around the path?
(1) One of the sides of the path is 120 meters long --> 120 can be the length of any side. not sufficient.
(2) One of the sides of the path is twice as long as each of the two shortest sides --> shortest side is x, 3x is 3 times the shortest side, hence the side which is twicw as long is x+60 --> x+60=2x --> x=60. Sufficient.
Answer: B.
Hope it helps.
P.S. to answer your question on #149, please post it in different topic.
(1) One of the sides of the path is 120 meters long --> 120 can be the length of any side. not sufficient.
(2) One of the sides of the path is twice as long as each of the two shortest sides --> shortest side is x, 3x is 3 times the shortest side, hence the side which is twicw as long is x+60 --> x+60=2x --> x=60. Sufficient.
Answer: B.
Hope it helps.
P.S. to answer your question on #149, please post it in different topic.
