Mathematics, 08.01.2020 05:31 joseroblesrivera123
Acountry has 10 billion dollars in the paper currency in circulation, and each day 33 million dollars come into the country's banks. the government decides to introduce new currency by having the banks replace old bills with new ones whenever old currency comes into the bank. let x = x(t)denote the number of new dollars in circulation after days with units in billions and x(0) = 0.
a. determine a differential equation which describes the rate at which is growing:
b. solve the differential equation subject to the initial conditions given above.
c. how many days will it take for the new bills to account for 90 percent of the currency in circulation?
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Acountry has 10 billion dollars in the paper currency in circulation, and each day 33 million dollar...
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