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A certain type of siding for a house costs $10.50 per square yard. Wh
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08 Feb 2018, 23:39
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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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08 Feb 2018, 23:56
Length of a wall= 60 feet= 20 yard 3 feet= 1 yard 60 feet= \(\frac{1}{3}\)*60= 20 yard Width of a wall= 4 yard Area of a wall = 20*4= 80 yard Cost of siding a wall= 80*10.50= 840 Answer: B.
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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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09 Feb 2018, 00:03
B. we need to know 1 yard=3feet. Hence area = 4*60/3 = 80 yard² Cost = 80*10.5 = $840 Bunuel I have a query. Are we supposed to know the conversion factor for yard? IMO question stem must mention that.
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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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09 Feb 2018, 01:11
Bunuel wrote: A certain type of siding for a house costs $10.50 per square yard. What does it cost for the siding for a wall 4 yards wide and 60 feet long?
(A) $800
(B) $840
(C) $2520
(D) $3240
(E) $5040 Cost per sq. yard siding = $10.50 3 ft = 1 yard 60 ft = 60/3 = 20 yard Area of wall = 20 x 4 = 80 sq. yard Cost of siding for the wall = 10.50 x 80 = $840 Answer B.
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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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09 Feb 2018, 23:30
Bunuel wrote: A certain type of siding for a house costs $10.50 per square yard. What does it cost for the siding for a wall 4 yards wide and 60 feet long?
(A) $800
(B) $840
(C) $2520
(D) $3240
(E) $5040 i think answer is B as 1 yard= 3 feet so 60/3= 20 so area of wall is 20*4= 80 and cost per square yard is 10.50. so 10.50*20= 840



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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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10 Feb 2018, 05:47
Length of a wall= 60 feet= 20 yard
3 feet= 1 yard
60 feet= 1/3*60= 20 yard
Width of a wall= 4 yard Area of a wall = 20*4= 80 yard
Cost of siding a wall= 80*10.50= 840
Answer: B



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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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10 Feb 2018, 07:00
Bunuel wrote: A certain type of siding for a house costs $10.50 per square yard. What does it cost for the siding for a wall 4 yards wide and 60 feet long?
(A) $800
(B) $840
(C) $2520
(D) $3240
(E) $5040 \(4*60*10.50\) = 2520, Answer must be (C)
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A certain type of siding for a house costs $10.50 per square yard. Wh
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Updated on: 10 Feb 2018, 20:23
Abhishek009 wrote: Bunuel wrote: A certain type of siding for a house costs $10.50 per square yard. What does it cost for the siding for a wall 4 yards wide and 60 feet long?
(A) $800
(B) $840
(C) $2520
(D) $3240
(E) $5040 \(4*60*10.50\) = 2520, Answer must be (C)You are missing feet to yard conversion.
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Originally posted by Sasindran on 10 Feb 2018, 07:12.
Last edited by Sasindran on 10 Feb 2018, 20:23, edited 1 time in total.



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A certain type of siding for a house costs $10.50 per square yard. Wh
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10 Feb 2018, 18:29
Sasindran wrote: B. we need to know 1 yard=3feet. Hence area = 4*60/3 = 80 yard² Cost = 80*10.5 = $840 Bunuel I have a query. Are we supposed to know the conversion factor for yard? IMO question stem must mention that. Hi Sasindran, Allow me to add my two cents to your query. As the Cost is mentioned in per Square Yard, we need to convert feet in Yard so that the area will be in Square Yard. IMO, the question need not mention that, as its already understood. Hi Bunuel, In GC, do we have any thread containing all the conversions which might be helpful for GMAT?
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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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10 Feb 2018, 19:33
rahul16singh28 wrote: Sasindran wrote: B. we need to know 1 yard=3feet. Hence area = 4*60/3 = 80 yard² Cost = 80*10.5 = $840 Bunuel I have a query. Are we supposed to know the conversion factor for yard? IMO question stem must mention that. Hi Sasindran, Allow me to add my two cents to your query. As the Cost is mentioned in per Square Yard, we need to convert feet in Yard so that the area will be in Square Yard. IMO, the question need not mention that, as its already understood. Hi Bunuel, In GC, do we have any thread containing all the conversions which might be helpful for GMAT? Thanks for your two cents. But my query is different. I’m asking about the conversion factor. Yard is prevalent in US and not in the SI system of units. In SI system the equivalent unit can be considered as metre. So people from other countries may not know the conversion factor. Sent from my iPhone using GMAT Club Forum mobile app
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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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11 Feb 2018, 00:19
rahul16singh28 wrote: Sasindran wrote: B. we need to know 1 yard=3feet. Hence area = 4*60/3 = 80 yard² Cost = 80*10.5 = $840 Bunuel I have a query. Are we supposed to know the conversion factor for yard? IMO question stem must mention that. Hi Sasindran, Allow me to add my two cents to your query. As the Cost is mentioned in per Square Yard, we need to convert feet in Yard so that the area will be in Square Yard. IMO, the question need not mention that, as its already understood. Hi Bunuel, In GC, do we have any thread containing all the conversions which might be helpful for GMAT? On the GMAT, the question itself will supply the relative conversions such as this one. Though you should have a few basic ones memorized: 1 hour = 60 minutes, ... Check other Conversion problems to practice in Special Questions Directory.
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Re: A certain type of siding for a house costs $10.50 per square yard. Wh
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12 Feb 2018, 16:34
Bunuel wrote: A certain type of siding for a house costs $10.50 per square yard. What does it cost for the siding for a wall 4 yards wide and 60 feet long?
(A) $800
(B) $840
(C) $2520
(D) $3240
(E) $5040 Since 60 feet is 60/3 = 20 yards, the area of the wall is 4 x 20 = 80 yards^2. Thus, it will cost 80 x 10.5 = 840 dollars. Answer: B
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