document.write( "Question 23246: The fuel for a certain two cycle engine is a mixture of 8 parts gasoline and 2 parts oil. How many gallons of gas are needed to make 20 gallons of fuel? \n" ); document.write( "
Algebra.Com's Answer #11950 by Paul(988)\"\" \"About 
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8/3=20/x ---> cross multiply
\n" ); document.write( "8x=20 x 2
\n" ); document.write( "8x=40
\n" ); document.write( "x=5
\n" ); document.write( "Hence, 5 gallons of gas are needed to make 20 gallons of fuel.
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