Question

how long does it take a $3,200 investment to double if it is
invested at 7% compounded monthly?

Answer #1

How long will it take an investment of $2000 to double if the
investment earns interest at the rate of 4%/year compounded
monthly? (Round your answer to one decimal place.

How long will it take an investment of $6000 to double if the
investment earns interest at a rate of 7% per year compounded
semi-annually.

How
long does it take to double your capital if you put it in an
account paying compound interest rate at a rate of 7%? What if the
account pays simple interest ? What if the account pays
continuiusly compounded interest?

A) Find the interest rate needed for an investment of $8,000 to
double in 14 yr if interest is compounded monthly.
B)How long will it take for an investment of $10,000 to grow to
$12,500 if the investment earns interest at the rate of 8%/year
compounded annually?
C)How long will it take for an investment of $15,000 to double
if the investment earns interest at the rate of 7%/year compounded
continuously?

How long would it take for money to triple in value if
invested at:
a.9% compounded annually
b. 9% compounded monthly
b.12% compounded quarterly
c.12% compounded monthly

Approximately how long would it take $500,000 to double to one
million dollars if it were invested at 6%, compounded annually
?

Suppose $40,000 is invested in an account that returns 7% per
year compounded continuously. (Round your answers to one decimal
place.)
a. how long will it take for the investment to double? ____
yrs
b. How long will it take for the investment to triple? _____
yrs

Use logarithms to solve the following problems
1. How long will it take $12,000 to grow to $18,000 if the
investment earns interest at the rate of 2%/year compounded
monthly?
2. Find the interest rate needed for an investment of $4200 to
double in 6 years if interest is compounded continuously
3. How long will it take an investment of $7,000 to double if
the investment earns interest at the rate of 5% compounded
continuously?

How long does it take to double your money at 10 percent
interest? How long does it take to quadruple your money?
Present Value
Years
Interest Rate
Future Value
$ 1.00
10%
$2.00
$1.00
10%
$4.00

1. How much more interest will be earned if $7000 is invested
for 6 years at 7% compounded continuously, instead of at 7%
compounded quarterly.
2. How long does it take for an account containing $6000 to be
worth $15,000 if the money is invested at 8.4% compounded
monthly?

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