document.write( "Question 1176310: Todd had 6 gallons of gasoline in his motorbike. After driving 150​ miles, he had 3 gallons left. Compute the​ slope, or rate of change in the amount of gasoline.\r
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Algebra.Com's Answer #802920 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hi\r\n" );
document.write( "  6gal - 3gal = 3gal used on the 150mi trip\r\n" );
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document.write( "  150mi/3gal = 50mi/gal\r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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