document.write( "Question 763093: How much gas will it take if I am driving 400 miles with a 21 mpg gas tank? \n" ); document.write( "
Algebra.Com's Answer #464470 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
This is just simple proportion. The 21 mpg means \"%2821+miles%2F1+gallon%29\". Understand the lack of spaces in the rendered text.\r
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\n" ); document.write( "\n" ); document.write( "The proportion is \"400+%2FG+=21%2F1\" where G is the gallons of how much gasoline.
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