1 A Windows 7 product key number can only be used to activate the same edition of Windows 7 that it was for, and cannot be used to activate a different edition of Windows 7. 2  A Family Pack Windows 7 product key number can be used to activate the Family Pack Windows 7 copy on up to 3 computers at any one time.
1 The cost of decomposed granite is between $35 and $50 per cubic yard. 2  The average cost of crushed granite gravel is $60 per cubic yard. 3  The cost of pea gravel is about $50 per cubic yard.4  The cost of river rocks can be as low as $0.05 per pound. 5  Mexican beach pebbles average more than $700 per ton. The cost of pea gravel is about $50 per cubic yard. 2  The cost of river rocks can be as low as $0.05 per pound. 3  Mexican beach pebbles average more than $700 per ton.
1 For instance, the Home Depot sells their Pergo flooring for $1.59 to as much as $6 per square foot. 2  As of May 2013, Pergo laminate floors retailed at an average of $2 per square foot, with installation prices range from $8 to $12 per square foot. The padding should be laid down prior to installing the Pergo floor. 2  There are different brand names and thicknesses for pads that vary in price. 3  Most rolls come in 100 to 500 square foot. 4  Price of rolls begins at $30 for a 100-foot roll to $250 for a 500-foot roll.