a container contains 1000 liters of milk, from this container 10 liters of milk was taken out and replaced by water. this process was repeated further 2 times. how much milk is now contained by the container?	Answers
A) 970.3 liters  B) 1000.45 liters  C) 879.65 liters  D) 1020.56 liters  E) 910.95 liters
<gadget id="calculator">1_000 - 10</gadget>
<output>990</output>

<gadget id="calculator">990 - 10</gadget>
<output>980</output>

<gadget id="calculator">980 - 10</gadget>
<output>970</output>

<result>A</result>
a container contains 1000 liters of milk, from this container 10 liters of milk was taken out and replaced by water. this process was repeated further 2 times. how much milk is now contained by the container?
subtract(subtract(subtract(1000, 10), 10), 10)
amount of milk left after 3 operations = 1000 ( 1 - 10 / 1000 ) ^ 3 = 1000 * 99 / 100 * 99 / 100 * 99 / 100 = 970.3 liters answer is a