Since i = 2% is the monthly rate, we multiply 2% x 12, the number of monthly periods in a year in order to determine the annual rate. In this case, Aaron needs to find an interest rate of 24% per year compounded monthly in order to reach his future value goal of $634 in one year.
You need to detirmine what is causing the erosion of enamel. Once enamel is gone, the dentin is exposed.The dentin is not as tough as the enamel, so it will wear out faster than the enamel did. Stop drinking soda, gatorade, anything carbonated. Also, visit the dentist immediately.nce enamel is gone, the dentin is exposed. The dentin is not as tough as the enamel, so it will wear out faster than the enamel did. Stop drinking soda, gatorade, anything carbonated. Also, visit the dentist immediately.
You can't always avoid enamel-eroding foods, so use these tips to minimize acid wear: 1  Avoid snacking in between meals to minimize acid attacks. 2  Don't swish or hold acidic beverages in your mouth. Sip them through a straw to reduce the amount of time the acids come into contact with your teeth. Rinse your mouth with water or chew sugarless gum after meals to help neutralize acid attacks. Consume high-calcium milk or cheese before or with meals to help reharden enamel. Eating foods high in iron, such as liver or broccoli, may help as well.