Let x = the number of Megadose Supras, y = the number of Crazy Caps, and z = the number of D-Free Acs you should take.

The given data can be set up in a table as follows:

Megadose Supras
Crazy Caps
D-Free Acs
Total Required
Vitamin C 50 100 50 350
Vitamin A 1,000 200 500 4,200
Vitamin D 100 100 0 400

This gives the following system of linear equations

The solution is

Thus, you should take 3 Megadose Supras, 1 Crazy Cap, 2 D-Free Acs, and call me in the morning.


To return to the review exercises, just close this window.