Ruth asks…Mixture Problem Help?1) How many pounds of chocolate worth $1.20 a pound must be mixed with 10 pounds of chocolate worth 90 cents a pound to produce a mixture worth $1.00 a pound?
2) A chemist has 500L of a 15% acid solution. How much pure acid does should be added to make a 20% acid solution?
3) How many liters of a 14% alcohol solution must be mixed with 20L of a 50% alcohol solution to get a 20% alcohol solution?
please help (:Nancy answers:In each case, you have a mixture
