Question 697577
A grocer mixed nuts worth $4 per kg with raisins worth $3.25 per kg to make 15 kg of a mixture worth $3.60 per kg.
 How many kg of nuts and raisins were used?
:
Let n = no. of kg nuts of required
then total is to be 15 kg, therefore
(15-n) = no. of kg of raisins
:
A typical mixture equation, that you should be able to solve
4n + 3.25(15-n) = 3.60(15)