document.write( "Question 834873: \"You live near a mountain bike trail. You can rent a mountain bike and a safety helmet for $10 an hour. If you have your own helmet, the bike rental is $7 an hour. You can buy a helmet for $28. How many hours do you need to use the trail to justify buying your own helmet?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #503238 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 28/3=9 1/3 plus tax \n" ); document.write( "so at least ten uses of the bike and trail justifies having your own helmet \n" ); document.write( "you would also benefit from buying your own bike since you spend $70 for ten bike rentals \n" ); document.write( " \n" ); document.write( " |