A doctor's prescription calls for a daily intake of liquid containing 40mg of vitamin c and 30mg of vitamin d. There are three liquids that can be used: one contains 20%vitamin c and 30% vitamin d; the second, 40% vitamin c and 20% vitamin d; the third, 30% vitamin c and 50% vitamin d.
Create a table showing the possible combinations that could be used to fill the prescription.
The Attempt at a Solution
I'm not quite sure how to approach this one. I'm thinking of setting it up as a system of linear equations with three variables. I'm having trouble relating the percentages to the amount in grams. Thanks for the help.