Problema Solution
A party mix is made by adding nuts that sell for $2.50
per kg to a cereal mixture that sells for $1
per kg. How much of each should be added to obtain 30
kg of a mix that will sell for $2.10
per kg?
Answer provided by our tutors
Let 'x' represent the weight of the nuts and 'y' the weight of the cereal mix needed for the mix.
x + y = 30
2.50x + 1y = 30*2.10
........
click here to see the system of equations solved for x and y
........
x = 22 kg
y = 8 kg
22 kilograms of nuts and 8 kilograms of cereal should be used for the mix.