Jeremy deposited x dollars in his investment account on January 1, 2001. The amount of money in the account doubled each year until Jeremy had 480 dollars in his investment account on January 1, 2005. What is the value of x ?

At a certain bank, month held in account X earns a monthly interest equal to 2 percent of the original investment, while account Y earns a monthly interest equal to 2 reprecent of the current value of the account. If $500 is invested into each account, what is the positive difference between the value of account X and account Y after three years ? (Round you answer to the nearest dollar and ignore the dollar sign when gridding you response.)

A certain type of account must be opened with an investment for a positive integer number of years. No other deposits or withdrwals are permitted, and the account earns 7 percent intest that is compounded annually. If $400 were invested in the account for x years, what is the smallest possible value of x such that at the end of x years, the amount in the account will be least 3 times initial investment ?

y=-75x+5,000 the equation above models the amount of money y, in dollars, remaining in Bo's bank account x days after the start of the fall semester. The amount of money in Bo's bank account is based on the money he earned over the summer and how much he spends per day during the fall semester. When the equation is graphed in the xy-plane , what does the slope of the graph represent in terms of the model?

Dilip invested 100 for three years at a compound interest rate of 10%. Haru also invested 100 for three years at simple interest rate of x%. At the end of three years, both received the same amount of money. What is the value of x?

George invests $1,000 into an account that he hopes will earh 12% interest annually. How many years (rounded to the nearest year) will it take his investment to double in value?

At the beginning of year 2011, a man had 22,000 in his bank account. He saved some money by the end of this year and deposited it in the bank. The bank pays 10% per annum compound interest and at the end of year 2012 he had 39,820 in his bank account. Find, what amount of money he had saved and deposited in his account at the end of year 2011.

Given an account with interest compounded annually, the formula A=P(1+r)^(t) can be used to calculate the total amount of money, A, in the account after t years, where P is the principal ( the amount originally invested) and r is the interest rate (expressed as a decimal). Suppose valeera invests $5,000 in a savings account that pays 2% interest compounded annually earn in four years? Express your answer to the nearest whole dollar.

When Sophie was born her parents invested a sum of $20,000 in her collage fund. They invested it at a nominal annual rate a 5% with interest compounded quarterly. Which equation could be used to find the number of dollars, y, in the account, after 18 years assuming no other deposits or withdrawals are made?

Jessica opened a bank account that earns 2 percent interest compounded annually. Her initial deposit was $100 , and she uses the expression $100(x)t to find the value of the account after t years. What is the value of x in the expression?