document.write( "Question 1145310: You read online that a 15 ft by 20 ft brick patio would cost about $2,275 to have professionally installed. Estimate the cost of having a 27 by 29 ft brick patio installed.\r
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Algebra.Com's Answer #766532 by greenestamps(13203) You can put this solution on YOUR website! \n" ); document.write( "\"Estimate\" leaves open the possibility of a wide range of answers.... \n" ); document.write( "For a rough estimate, I would use 25x30 = 750 for the area of the larger patio. The smaller patio has an area of 15*20 = 300, so the area of the larger patio is 2.5 times as large (750/300 = 2.5). \n" ); document.write( "Then I would use 2400 as a \"nice\" estimate for the cost of the smaller patio; then 2.5 times that cost is 2.5*2400 = 6000 \n" ); document.write( "The estimated cost of the larger patio is $6000. \n" ); document.write( "Since the $2400 I used for the cost of the smaller patio is higher than the actual cost, this estimate of $6000 should be a bit over the actual cost. \n" ); document.write( " |