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Unformatted text preview: in the tank at any time before the instant when the solution begins to overow. Find the concentration of salt in the tank at this instant. How does it compare with the theoretical limiting concentration if the tank had innite capacity? HOMEWORK: SECTION 2.3 EXAMPLE (if time). Snow starts falling early in the morning at a constant rate. A snowplow that clears snow at a constant rate by volume (perhaps a constant number of cubic feet per hour) starts at 7 a.m. and by 8 a.m. has traveled two miles. The snowplow then takes two more hours to go an additional two miles. When did it start snowing?...
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