Find the principal.

Rate: 5 1/2% Time:(in days) 180 Interest: $440

The principal is $__

A person invested $3895 in mutual funds containing bonds. Find the rate, given that she earned $236.30 in 285 days. Use banker's interest with 360 days.

The interest rate ins __%

(Round your answer to the nearest tenth of a percent.)

Find the rate for a loan with these conditions.

Principal: $1000 Time(Months) 7 Interest:$51 Rate: ?%

Find the simple interest and the maturity value.

$6000 at 8% for 3 years

(What is the simple interest? $__

(What is the maturity value? $__

Principal: $37,200.00 Rate: 5.5% Interest: $930.00 Time: ? days

The time of the loan was __ days.

(Round to the nearest day as needed.)