13. A restaurant has one type of salsa that is 10% spices and another that is 6% spices. How many gallons of each type does the restaurant need to make 5 gallons of a salsa mixture that is 8% spices?

14. In a chemistry lab, you have two vinegars. One is 5% acetic acid, and one is 6.5% acetic acid. You want to make 200 mL of a vinegar with 6% acetic acid. How many milliliters of each vinegar do you need to mix together?

Question

13.  A restaurant has one type of salsa that is 10% spices and another that is 6% spices.  How many gallons of each type does the restaurant need to make 5 gallons of a salsa mixture that is 8% spices?
 
14.  In a chemistry lab, you have two vinegars.  One is 5% acetic acid, and one is 6.5% acetic acid.  You want to make 200 mL of a vinegar with 6% acetic acid.  How many milliliters of each vinegar do you need to mix together?