How many kg of mixed nuts that contain 40% peanuts must Jenny add to 6 kg of mixed nuts that contain 30% peanuts to make a mixture with 34% peanuts?
Jenny must add
Let's call the added amount of kg of mixed nuts that contain
The bag of
The total mass will be the original
This gives us the following equation.
Multiply both sides with
Multiply out the brackets.
Divide both sides by
Therefore, Jenny must add