Problem #$3$: A large tank contains $150$ litres of water in which $18$ grams of salt is dissolved. Brine containing $10$ grams of salt per litre is pumped into the tank at a rate of $7$ litres per minute. The well mixed solution is pumped out of the tank at a rate of $3$ litres per minute

If the tank has an open top and has a total capacity of $230$ litres, how much salt $($in grams$)$ will be in the tank at the instant that it begins to overflow?

Problem #$3$: $$ Round your answer to $2$ decimals.

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Submit Problem #$3$ for Grading

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