SOLUTION: a candy mix is to be made by mixing candy worth $12 per kilogram with candy worth $15 per kilogram to get 120 kilograms of a mixture worth $13 per kilogram. How many kilograms of e
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Question 526457: a candy mix is to be made by mixing candy worth $12 per kilogram with candy worth $15 per kilogram to get 120 kilograms of a mixture worth $13 per kilogram. How many kilograms of each should be used ? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = kgs of $12/kg candy needed
Let = kgs of $15/kg candy needed
given: = cost of $12/kg candy = cost of $15/kg candy cost of mixture
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(1)
(2)
Multiply both sides of (1) by and
subtract (1) from (2)
(2)
(1)
and
(1)
(1)
(1)
80 kgs of $12/kg candy are needed
40 kgs of $15/kg candy are needed
