Maria Montoya deposited an inheritance of $13,800 in a bank and earned

$460.00 in a simple banker’s interest at a rate of 10.5%. Find the length of time the money was on deposit.
The time of the deposit was __ days
(Round to the nearest day)

Over a period of 240 days, Shawna Johnson earned $300 interest in a retirement account paying interest at a rate of 2%. Find (a.) the principal at the beginning of the 240 days and (b.) the amount in the account at the end of 240 days.
(a.) The principal was $__
(b.) The amount in the account at the end of 240 days is $__

Find the time of the loan. Use a bankers year of 360 days.
Principal: $2850 Rate: 11% Interest: $39.69 Time: ? days
The time of the loan . Use a banker’s year of 360 days.
( Round to the nearest day.)

Find the rate. Assume a 360-day year.
Principal: 3060 Time (Days): 100 Interest: 85 Rate
The interest rate is __%

Melissa notes that her saving account earned $55.53 in nine months. If the the interest for her account is 3.5% what was her principal?
[The principal was $__]
(Round to the nearest cent.)