document.write( "Question 1014545: A fruit juice company mixes pineapple juice that sells for $5.50 per gallon with 100 gallons of orange juice that sells for $3 per gallon. how much pineapple juice is used to make a pineapple-orange juice drink selling for $3.50 per gallon? \n" ); document.write( "
Algebra.Com's Answer #630823 by macston(5194)\"\" \"About 
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\n" ); document.write( "P=pineapple; R=orange=100
\n" ); document.write( ".
\n" ); document.write( "$5.50P+$3R=$3.50(P+R)
\n" ); document.write( "$5.50P+$3(100)=$3.50(P+100)
\n" ); document.write( "$5.50P+$300=$3.50P+$350
\n" ); document.write( "$2.00P=$50
\n" ); document.write( "P=25
\n" ); document.write( ".
\n" ); document.write( "ANSWER: 25 gallons of pineapple juice is used.
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