document.write( "Question 311038: greg is supposed to add cranberry juice to apple juice to make 20 gallons of cranapple juice. A gallon of apple juice sells for $3.25 a gallon and a gallon of cranberry juice sells for $4.15. A gallon of cranapple juice sells for $3.43. How many gallons of each juice should he use in the mixture \n" ); document.write( "
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greg is supposed to add cranberry juice to apple juice to make 20 gallons of cranapple juice. A gallon of apple juice sells for $3.25 a gallon and a gallon of cranberry juice sells for $4.15. A gallon of cranapple juice sells for $3.43. How many gallons of each juice should he use in the mixture
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\n" ); document.write( "Let x = gallons of apple juice
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\n" ); document.write( "20-x = gallons of cranberry juice
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\n" ); document.write( "3.25x + 4.15(20-x) = 3.43(20)
\n" ); document.write( "3.25x + 83 - 4.15x = 68.6
\n" ); document.write( "83 - .9x = 68.6
\n" ); document.write( "-.9x = -14.4
\n" ); document.write( "x = 16 gallons (apple juice)
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\n" ); document.write( "cranberry juice:
\n" ); document.write( "20-x = 20-16 = 4 gallons\r
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