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http://en.wikipedia.org/wiki/Money_creation
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If the banking system has $15,000 of total reserves and a reserve requirement of 20%, the money supply can reach a maximum of
$30,000.
$65,000.
$75,000.
$150,000.
2 answers
c x 0.20 = 15,000
c x (1/5) = 15,000
c = 15,000 x 5
c x (1/5) = 15,000
c = 15,000 x 5