Could you solve these with explanations?

1) An engaged couple agrees to get married once their savings equal $56,000.00. They have $34,100.00 at the moment and will invest the money in an account that earns 9.00% per year. How many years will the engagement last?

2) A loan shark offers to give you $3,584.00 today, but, in exchange, he wants you to pay him $5,822.00 in one year. What is the rate of interest being charged on the account?

3) An investor places $8,680.00 in an account that pays 7.00% per year. The investor is interested in the account balance over the next few years. Specifically, he wants to know the balance for the following milestones:

MILESTONE:	Years
MILESTONE 1:	5.00 years
MILESTONE 2:	7.00 years
MILESTONE 3:	10.00 years

What is the balance after Milestone 1?

4) A couple invests $8,966.00 today in a money market fund that pays 8.00% per year. What is the value of this account in exactly one year?

5) An investor places $8,680.00 in an account that pays 7.00% per year. The investor is interested in the account balance over the next few years. Specifically, he wants to know the balance for the following milestones:

MILESTONE:	Years
MILESTONE 1:	5.00 years
MILESTONE 2:	7.00 years
MILESTONE 3:	10.00 years

What is the balance after Milestone 3?