Math
posted by Helen .
Lakeisha placed $120 in a savings account earning simple interest. Find the interest rate if her account is worth $124.20 after one year.

I = PRT
4.20 = 120 * R * 1
4.20 = 120R
0.035 = 3.5% = R
Respond to this Question
Similar Questions

algebra
A total of $6200 is deposited into two simple interest accounts. On one account the annual simple interest rate is 2%, and on the second account the annual simple interest rate is 4%. The amount of interest earned for 1 year was $148. … 
Math
If you deposit P dollars into a bank account paying an annual interest rate r, with n interest payments each year, the amount A you would have after t years is A=P(1+r/n)^nt. Kevin places $100 in a savings account earning 6% annual … 
pre algebra
At the beginning of the year 2000, Bob put $100 in a savings account. The bank pays Bob 5% interest on his total savings at the end of each year including all interest added to the account. Assume the interest rate continues and Bob … 
Algebra( check my answers)
1. Juan deposited $200 in a savings account earning 3% interest over 2 years. What was the total amount of interest earned after 2 years? 
math
Huan deposited $850 into a collegesavings account earning 4.8% interestcompounded annually. He also deposited$850 into a second account earning 4.8%simple interest. He made no additionaldeposits. After 10 years, which account earnedmore … 
MATH HELP! Complex Interest
Huan deposited $850 into a collegesavings account earning 4.8% interestcompounded annually. He also deposited$850 into a second account earning 4.8%simple interest. He made no additionaldeposits. After 10 years, which account earnedmore … 
Can you help me with this math problem? ASAP plz!
Lester deposited $400 into a savings account earning 4.5% simple interest, and $450 into an investment account earning 3.2% interest compounded annually. What was the total interest he earned in 3 years? 
Lat math question for some days. Can y'all help?
Huan deposited $850 into a college savings account earning 4.8% interest compounded annually. He also deposited $850 into a second account earning 4.8% simple interest. He made no additional deposits. After 10 years, which account … 
Mathematics of INVESTMENT
Q: Ms. Parker deposits $8000 in one simple interest account and $2000 in a second simple interest account. The interest rate on the $8000 account is 2% more than the rate on the $2000 account. If the total yearly amount of interest … 
Social Studies
An interest rate is a special type of (1 point) loan. **price. bank. service. 2. How does a compound interest rate differ from a simple interest rate?