document.write( "Question 187909: I am having trouble solving these word problems. Can anyone help?\r
\n" );
document.write( "\n" );
document.write( "A washer and a dryer cost $679 combined. The washer costs $71 less than the dryer. What is the cost of the dryer? \r
\n" );
document.write( "\n" );
document.write( "----------------------------------------------------------------------------------\r
\n" );
document.write( "\n" );
document.write( "Bob will rent a car for the weekend. He can choose one of two payment plans. The first plan costs $59.98 for two days plus $.15 cents per mile. The second plan costs $47.98 for two days plus $.17 cents per mile. How many miles does Bob need to drive for the two plans to cost the same? \r
\n" );
document.write( "\n" );
document.write( "Thanks for your help \n" );
document.write( "
Algebra.Com's Answer #140870 by checkley77(12844) ![]() You can put this solution on YOUR website! X+(X-71)=679 \n" ); document.write( "X+X-71=679 \n" ); document.write( "2X=679+71 \n" ); document.write( "2X=750 \n" ); document.write( "X=750/2 \n" ); document.write( "X=$375 IS THE COST OF THE DRYER. \n" ); document.write( "375-71=$304 IS THE COST OF THE WASHER. \n" ); document.write( "PROOF: \n" ); document.write( "375+304=679 \n" ); document.write( "679=679 \n" ); document.write( "----------------------------------------------- \n" ); document.write( "59.98+.15X=47.98+.17X \n" ); document.write( ".15X-.17X=47.98-59.98 \n" ); document.write( "-.02X=-12 \n" ); document.write( "X=-12/-.02 \n" ); document.write( "X=600 MILES WILL RESULT IN THE 2 PLANS BEING THE SAME. \n" ); document.write( "PROOF: \n" ); document.write( "59.98+.15*600=47.98+.17*600 \n" ); document.write( "59.98+90=47.98+102 \n" ); document.write( "149.98=149.98\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |