1 The discounted âMetered Mailâ category for First Class Mail Letters (1 oz.), which includes online postage providers and postage meters, will increase from $0.48 to $0.485 in 2015. 2  First Class Flats (1 oz.) will stay the same at $0.98 in 2015. 3  Each additional ounce will cost $0.22 (up one cent from 2014). First Class Package International Service will see an increase of 7.2% in 2015. 2  Commercial Base (online postage) rates will start at $6.39 (1 oz.), up $0.23 compared to 2014. 3  Priority Mail International will see an increase of 5.5% in 2015.
Fifteen minutes before you start, you should then drink another 8 to 10 ounces and then continue to drink another 8 ounces for every 15 minutes of physical activity if possible.
In short, the equation tells you to take half your body weight, and drink that amount in ounces of water. In the example, notice that you should be drinking more than 12 glasses of water, not eight! Exercise. Your exercise habits affect the amount of water you should be drinking, as well. The American College of Sports Medicine recommends adding 12 ounces of water to your daily intake for every 30 minutes that you plan to work out. If you are exercising outside and it is very hot, you may need to add more.