# Algerbra II

What formula do you use when dealing with money and interest rates over time? Thanks

1. 👍 0
2. 👎 0
3. 👁 105
1. Two main kind of formulas
1. Simple interest formulas
2. Compound interest formulas

I = PRT is the most common simple interest formula

the most common compound interest formula is
Amount = Principal(1 + i)^n

YOu have to be much more specific with the kind of formula you have in mind.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Algebra

The formula I = PRT where I = Interest, P = principal, R = rate, and T = time is used to calculate the amount of simple interest earned. Solve this formula for T.

2. ### Math.

For question 1-4 for the interest. All rates are annual interest rates. 1) principal, \$400 rate, 5% time, 1 year. a. \$10 b. \$20 c. \$40 d. \$200 2) principal, \$1,000 rate, 8.5% time, 3 years a. \$255 b. \$170 c. \$22.5 d. \$17 3)

Recently, it was observed that people have started saving more rather than spending. This has impacted the demand for luxury goods and services. The decline in the demand led to unemployment in the related sectors. What can be a

The formula A = P + I shows that the total amount of money A received from an investment equals the principal P (the original amount of money invested) plus the interest I. Solve this formula for I.

1. ### Social Studies

Maria ivanov has owned a successful clothing boutique chain for 20 years. Sha has gone into debt several times to expand her business.each time she paid off the debt in full sooner than expected. How will Maria's record affect the

2. ### math

Samantha lent her brother some money at 9% simple interest and her sister one-half as much money at 16% interest. If she received a total of 34 cents in interest, then how much did she lend to each one?

3. ### international economic

2.) This question uses the general monetary model, in which L is no longer assumed constant and money demand is inversely related to the nominal interest rate. Consider the same scenario described in the beginning of the previous

4. ### Math

Serena wants to borrow \$15 000 and pay it back in 10 years. Interest rates are high, so the bank makes her two offers: • Option 1: Borrow the money at 10%/a compounded quarterly for the full term. • Option 2: Borrow the money

1. ### algebra 2

The amount of money in an account with continuously compounded interest is given by the formula A=Pe^rt , where P is the principal, r is the annual interest rate, and t is the time in years. Calculate to the nearest hundredth of a

2. ### english

Can someone please check my homework for me? · Write two paragraphs about how interest rates affect our purchasing decisions. · Identify the topic sentence in each by underlining it. · Post your paper as an attachment. Interest

3. ### math

Mr. Jones got a loan for a sum of money, and at the time of repayment he owned \$75.00 in interest. Mr. Brown borrowed three times the amount of money Mr. Jones had borrowed at the same rate of interest for twice as long a time.

4. ### Math

Find the interest rate. All rates are annual interest rates. 1. Principle \$400 rate 5% time 1 year A. \$10 B. \$20 C. \$40 D. \$200*** 2. Principle \$1000 rate 8.5% time 3 year A. 255*** B. 170 C. 22.5 D. 17 3. Principle \$200 rate 9%