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Vadim26 [7]
3 years ago
6

Help me answer this

Advanced Placement (AP)
1 answer:
Eduardwww [97]3 years ago
4 0
Do a ratio dude:

12.2           19.5
-------   =    ------
 200            x

Solve, and you get that x is approx equal to 320 mg.
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