document.write( "Question 101805: The length of a rectangle is two feet more than three times the width. Express as an integer the maximum width of the rectangle when the perimeter is less than twenty-eight feet. \n" ); document.write( "
Algebra.Com's Answer #74024 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! L – Length \n" ); document.write( "W – Width \n" ); document.write( "From your explanation, \n" ); document.write( "L = 2 + 3W \n" ); document.write( "The perimeter,P, of a rectangle is the sum of twice the width and twice the length or P=2L+2W.\r \n" ); document.write( "\n" ); document.write( "P = 2L + 2W \n" ); document.write( "P = 2(2+3W) + 2W Substitute from above for L. \n" ); document.write( "P = 2(2)+ 2(3W)+ 2W Distributive Property. \n" ); document.write( "P=4+6W+2W Simplify. \n" ); document.write( "P=4+8W\r \n" ); document.write( "\n" ); document.write( "From your explanation, the perimeter must be less than 28 feet or P<28 ft.\r \n" ); document.write( "\n" ); document.write( "P<28 \n" ); document.write( "4+8W<28 Substitute. \n" ); document.write( "4-4+8W<28-4 Additive inverse of 4 or (-4). \n" ); document.write( "8W<24 \n" ); document.write( "8W/8<24/8 Multiplicative inverse of 8 or (1/8) \n" ); document.write( "W<3 \n" ); document.write( "Since W is less than 3 and must be an integer, then the maximum value it can have is 2. \n" ); document.write( "W=2 ft. \n" ); document.write( " \n" ); document.write( " |