Question 218869
Let  a  =  amt  of  almonds,,,,,and c= amt  of  chocolate,,,,,in  #'s
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a+c=30,,,a=30-c
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.75*c + .50*a  =.65 * 30,,,,,subst
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.75c +.5(30-c) = .65*30
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.75c +15 -.5c = 19.5
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.25c =4.5
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c=18 #,,,,,a=30-18=12 #
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check,,,,.75(18) +.5(12) =.65*30 
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            13.5 + 6 = 19.5,,,,ok