document.write( "Question 945291: The perimeter of a rectangle is 30 inches, if it's length is three times it's width, find the dimensions, show your work and explain your answer \n" ); document.write( "
Algebra.Com's Answer #576678 by macston(5194)![]() ![]() You can put this solution on YOUR website! W=width; L=Length=3W; perimeter=P=30 inches \n" ); document.write( "P=2(L+W) \n" ); document.write( "30 in=2(3W+W) \n" ); document.write( "30 in=6W+2W \n" ); document.write( "30 in=8W Divide each side by 8 \n" ); document.write( "30/8 in=W ANSWER 1:Width is 3.75 inches \n" ); document.write( "L=3W=3(3.75 in)=11.25 in ANSWER 2: Length is 11.25 inches \n" ); document.write( " \n" ); document.write( " |