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A painter has a white rectangular canvas that measures 1000 inches wid

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Math Expert
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A painter has a white rectangular canvas that measures 1000 inches wid  [#permalink]

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New post 14 Sep 2018, 02:11
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Question Stats:

54% (03:13) correct 46% (03:34) wrong based on 31 sessions

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A painter has a white rectangular canvas that measures 1000 inches wide by 2000 inches long. She paints a 20 inch wide red strip on the inside edges of the canvas and then paints a 30 inch wide red strip that bisects the canvas into two squares (approximate). Approximately what percentage of the canvas would be white?


A. 98%

B. 93%

C. 90%

D. 89%

E. 47%

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Re: A painter has a white rectangular canvas that measures 1000 inches wid  [#permalink]

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New post 18 Sep 2018, 19:38
The painting on inner edges will form an inner rectangle, which is white in color, of dimensions 960*1960. the 30 inch paint strip in the middle will further reduce the white rectangle's dimensions to 960*1930. Dividing this by original carpet area 1000*2000 gives approx 93%
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Re: A painter has a white rectangular canvas that measures 1000 inches wid   [#permalink] 18 Sep 2018, 19:38
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A painter has a white rectangular canvas that measures 1000 inches wid

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