A tank initially holds 100 gallons of salt solution in which 50 lbs of salt has been dissolved. A pipe fills the tank with brine at the rate of 3 gpm, containing 2 lbs of dissolved salt per gallon. Assuming that the mixture is kept uniform by stirring, a drain pipe draws out of the tank the mixture at 2 gpm. Find the amount of salt in the tank at the end of 30 minutes.

Curriculum exam . 1 to reconcile your daily scanned checks (irds and personal checks) in the transaction report builder: o a. select today's date, select processed for the transaction status and change the account type to checking; click run report. o b. select today's date, select processed for the transaction status and change the origin of transaction to back office; click run report. o c. select today's date, select approved for the transaction status and change the origin of transaction to mailed in; click run report. o d. select the previous day's date, select approved for transaction status and change the origin of transaction to internet; click run report.

What is the binomial name of the horsefly species that's golden backside inspired a 24-year old researcher to name it after a pop star in january 2012?

Any tips for studying for middle school