document.write( "Question 994923: Each ounce of substance A supplies is 4% of nutrition patient needs. Substance B is 10% and C is 14%. Restrictions require A & C to be given in equal amounts, the amount of B is 1/5 of either A or C, find the number of ounces each substance should be to provide 100% nutrition. \n" ); document.write( "
Algebra.Com's Answer #613913 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Each ounce of substance A supplies is 4% of nutrition patient needs. \n" ); document.write( " Substance B is 10% and C is 14%. \n" ); document.write( " Restrictions require A & C to be given in equal amounts, the amount of B is 1/5 of either A or C, find the number of ounces each substance should be to provide 100% nutrition. \n" ); document.write( ": \n" ); document.write( "let a = amt of substance A and amt of substance C \n" ); document.write( "let .2a = amt of substance B \n" ); document.write( ": \n" ); document.write( "4A + 10B + 14C = 100 \n" ); document.write( "4a + 10(.2a) + 14a = 100 \n" ); document.write( "4a + 2a + 14a = 100 \n" ); document.write( "20a = 100 \n" ); document.write( "a = 100/20 \n" ); document.write( "a = 5 oz of Substance A and 5 oz of substance C \n" ); document.write( ".2(5) = 1 oz of substance B \n" ); document.write( " |