How Many Balloons Can You Fill from a 10 Liter

question 14

Multiple Choice

How many balloons can you fill from a 10 liter tank of helium you purchased?  The tank has an initial pressure of 1500 psi.  Also, you know that, when filled to the recommended 25 psi, each balloon will hold a volume of 5.5 L.  (Hint:  Don't forget that you can't remove the last 10 L from the tank.)

• A)60
• B)107
• C)109
• D)600

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The last cash inflow or outflow in an investment's cash flow series, critical for calculating net present value or internal rate of return.

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