document.write( "Question 100245This question is from textbook
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document.write( ": you fill your car's gas tank when it is about 1/2 empty. The next week, you fill the tank a second time when it is about 3/4 empty. If you buy a total of 18 1/2 gallons of gas on these two days, about how many gallons does the tank hold? \n" );
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Algebra.Com's Answer #73000 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=the number of gallons that the full tank holds\r \n" ); document.write( "\n" ); document.write( "The first time you fill it, you put (1/2)x gallons in\r \n" ); document.write( "\n" ); document.write( "The second time you fill it, you put (3/4)x gallons in\r \n" ); document.write( "\n" ); document.write( "Now we are told that (1/2)x+(3/4)x=18.5 gal or \n" ); document.write( "(5/4)x=18.5 gal multiply both sides by 4\r \n" ); document.write( "\n" ); document.write( "5x=74 divide both sides by 5\r \n" ); document.write( "\n" ); document.write( "x=14.8 gal-----------------------------number of gal the tank holds\r \n" ); document.write( "\n" ); document.write( "CK\r \n" ); document.write( "\n" ); document.write( "(1/2)*14.8+(3/4)*14.8=18.5\r \n" ); document.write( "\n" ); document.write( "7.4+11.1=18.5 \n" ); document.write( "18.5=18.5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope this helps----ptaylor \n" ); document.write( " |