document.write( "Question 470795: if my laptop takes 3 hours to be completely charged and its 25% charged up then how much longer will it takes until it charges up completely? \n" ); document.write( "
Algebra.Com's Answer #322927 by algebrahouse.com(1659)\"\" \"About 
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75% of 3 hours\r
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\n" ); document.write( "\n" ); document.write( ".75
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\n" ); document.write( "---- {changed percent to a decimal by moving decimal point left two places}
\n" ); document.write( "2.25 hours to charge the remaining 75%\r
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\n" ); document.write( "\n" ); document.write( "approximately 2 hours and 15 minutes to charge
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