SOLUTION: 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

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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?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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P=pineapple; R=orange=100
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$5.50P+$3R=$3.50(P+R)
$5.50P+$3(100)=$3.50(P+100)
$5.50P+$300=$3.50P+$350
$2.00P=$50
P=25
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ANSWER: 25 gallons of pineapple juice is used.