document.write( "Question 127221: a blackboard is 18dm. 8cm long & 12dm. 5cm. broad. what will be the cost of painting it at the rate of 25 paise per square centimeter. \n" ); document.write( "
Algebra.Com's Answer #93210 by checkley71(8403)\"\" \"About 
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18dm&8cm=188cm
\n" ); document.write( "12dm&5cm=125cm
\n" ); document.write( "188*125=23,500 cm^2
\n" ); document.write( "23,500*25=587,500 paise is the price to paint the blackboard.
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