document.write( "Question 173392: A Christmas tree supplier mixes gasoline and oil to make 2 gallons of mixture for his 2-cycle chain saw engine. This mixture is 32 parts gasoline and 1 part oil. How much gasoline must be added to bring the mixture to 40 parts gasoline and 1 part oil? \n" ); document.write( "

Algebra.Com's Answer #128235 by Mathtut(3670) $\"\"$ $\"About$

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let x be the amount of gasoline added......the amount of oil must stay the same on the new mixture so
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\n" ); document.write( " $\"%281%2F33%29%282%29=%281%2F41%29%282%2Bx%29\"$
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\n" ); document.write( " $\"2%2F33=%282%2Bx%29%2F41\"$
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\n" ); document.write( " $\"2%2841%29=33%282%2Bx%29\"$
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\n" ); document.write( " $\"82=66%2B33x\"$
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\n" ); document.write( " $\"33x=16\"$
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\n" ); document.write( " $\"highlight%28x=16%2F33%29\"$ gal of gasoline to make 40 parts gasoline and 1 part oil
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