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    				A building code regulation requires that the slope of the riser to the tread of a staircase be 60% with an absolute deviation of 10%. Find the maximum and minimum slopes of the staircase. ( see attachment)
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does this mean that the tread can be with 50 to 70%?
60/100 = 6/10 = 3/5 slope +- 10% is what I think its saying
Yeah . Thanks.
cool :)
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thats the older version of "kewl"
Haha , And then there's " Coolio & Coolies "
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