document.write( "Question 621992: Luisa mows lawns during the summer. She charges $15 if she cuts the grass but charges $5 more if she also trims the grass. Last week she trimmed 5 more yards than she cut,. If she made $415 last week, how may yards did she trim? \n" ); document.write( "
Algebra.Com's Answer #391059 by nerdybill(7384) You can put this solution on YOUR website! Luisa mows lawns during the summer. She charges $15 if she cuts the grass but charges $5 more if she also trims the grass. Last week she trimmed 5 more yards than she cut,. If she made $415 last week, how may yards did she trim? \n" ); document.write( ". \n" ); document.write( "Let x = number of yards just cut \n" ); document.write( "then \n" ); document.write( "x+5 = number of yards cut and trimmed \n" ); document.write( ". \n" ); document.write( "15x + 20(x+5) = 415 \n" ); document.write( "15x + 20x+100 = 415 \n" ); document.write( "35x+100 = 415 \n" ); document.write( "35x = 315 \n" ); document.write( "x = 315/35 \n" ); document.write( "x = 9 (just cut) \n" ); document.write( ". \n" ); document.write( "Yards trimmed and cut: \n" ); document.write( "x+5 = 9+5 = 14 \n" ); document.write( " |