tank a starts with 340 liters of water. it has a leak and is losing water at a rate of 5 liters of water per minute. at the same time, tank b starts with 500 liters of water and also has a leak. it is losing water at a rate of 9 liters per minute. the variable t represents the time in minutes. after how many minutes will the two tanks have the same amount of water? how much water will be in the tanks at that time?