document.write( "Question 261739: 1) How many gallons of gasoline that is 6% ethanol must be added to 2,000 gallons with no ethanol to get a mixture that is 4%?
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Algebra.Com's Answer #192848 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
.06x+2000*0=(2000+x)*.04
\n" ); document.write( "I get 4000 gallons.
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\n" ); document.write( "\n" ); document.write( "(2) Kaz and his girlfriend Cora are 10 miles apart and cant wait to see each other. Kaz has a mountain bike, while Cora is on roller blades. Kaz can ride at an average speed of 14mph, and cora can average 6 miles per hour on blades. How long will it take them to meet?\r
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\n" ); document.write( "\n" ); document.write( "14t+6t=10
\n" ); document.write( "20t=10
\n" ); document.write( "t=1/2 hour
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