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
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\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
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Algebra.Com's Answer #140870 by checkley77(12844)\"\" \"About 
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
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\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
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