document.write( "Question 622386: A skating rink is 32ft x 49ft. The ply wood boards used to build it are 48 inches. Ply wood comes in 4 x 8 pieces. How many pieces of ply wood are used to build the rink? \n" ); document.write( "

Algebra.Com's Answer #391335 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "P = 
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document.write( "The ply wood boards used to build it are 48 inches. or 4'
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document.write( "  linear length of boards needed
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document.write( " 4' by 8' will yield  pieces 4' by 4' 
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document.write( "    40.5/2 = 20.25, will need 21 pieces of plywood
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