The unknowns are as follows (look for the queston at the end of the stated problem)

x = number of Vanadyl Pro-Gro tablets,
y = number of Muscle XS tablets.

The given data may be set up in a table.

	Vanadyl Pro-Gro tablets x	Muscle XS tablets y	Total
Taurine	225 mg.	150 mg.	900 mg.
Vanadium	2 mg.	2 mg.	10 mg.

This leads to the system

225x + 150y = 900
2x + 2y = 10

which has solution (2, 3). Thus, you should take 2 Vanadyl Pro-Gro and 3 Muscle XS tablets.

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