document.write( "Question 428496: A van travels 220 miles on 10 gallons of gas. Find how many gallons the van needs to travel 550 miles \n" ); document.write( "
Algebra.Com's Answer #297811 by algebrahouse.com(1659)\"\" \"About 
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\"A van travels 220 miles on 10 gallons of gas. Find how many gallons the van needs to travel 550 miles\"\r
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\n" ); document.write( "\n" ); document.write( "220 miles / 10 gallons = 550 miles / x gallons {set up the proportion}
\n" ); document.write( "220x = 5500 {cross-multiplied}
\n" ); document.write( "x = 25 {divided both sides by 220} \r
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\n" ); document.write( "\n" ); document.write( "25 gallons to travel 550 miles
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