Maureen earned some money doing odd jobs last summer and put it in a savings account that earns 9% interest compounded quarterly. After 10 years, there is $300.00 in the account. How much did Maureen earn doing odd jobs?

Maureen earned $123.19 doing odd jobs

Step-by-step explanation:

The compound interest formula is given by:

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.

In this question:

Compounded quarterly means that

10 years, so

9% interest, so

There is $300.00 in the account, which means that

How much did Maureen earn doing odd jobs?

This is P.

Maureen earned $123.19 doing odd jobs

47

step-by-step explanation:

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a