document.write( "Question 947863: the fuel tank in my new car was 40% full. i added 28 litres and then found that it was 75% full. how much fuel does the tank hold? \n" ); document.write( "
Algebra.Com's Answer #578459 by lwsshak3(11628)\"\" \"About 
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the fuel tank in my new car was 40% full. i added 28 litres and then found that it was 75% full. how much fuel does the tank hold?
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\n" ); document.write( "let x=amt of fuel tank holds
\n" ); document.write( "(40%x+28)/x=75%
\n" ); document.write( ".40x+28=.75x
\n" ); document.write( ".35x=28
\n" ); document.write( "x=80
\n" ); document.write( "amt of fuel tank holds=80 litres
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