document.write( "Question 909666: Twice the length of a rectangle is 5 cm less than triple the width. If its perimeter is 50 cm, what is the area? Please show the representation ( ex. Let x be ________) and the working equation. I already know the answer but I got the answer using trial and error. Thank you very much! \n" ); document.write( "
Algebra.Com's Answer #551968 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! P = 2L + 2W \n" ); document.write( "2L = 3W-5 \n" ); document.write( "Substitute the value of 2L from the first equation into the second. \n" ); document.write( "P = 2L + 2W \n" ); document.write( "50 = (3W-5) + 2W \n" ); document.write( "50 = 5W - 5 \n" ); document.write( "55 = 5W \n" ); document.write( "11 = W \n" ); document.write( "If the width is 11, then two times the length is thrice that (33) minus 5, or 28/2 = 14 \n" ); document.write( "14+14+11+11 = 50 \n" ); document.write( " \n" ); document.write( " |