Your cousin is currently $11$ years old. She wit be going to college in $7$ years. Your aurt and uncle would lake to have $$115,000$ in a savings account to furd ter educison ar that time. If the account promises to pay a foed interest rabe of $3\mathrm{.}9\%$ per year, how much money do they need to put into tee account loday to ensure that they wilt have $$115,000$ in $7$ y$.$wars?

The amount they need to put away today is $ $q,($Round to the nearest cent$)$

You are planning to invest $$3,000$ in an account earning $12\%$ per year for rebrement.

a$.$ If you put the $$3,000$ in an account at age $23,$ and withdraw it $39$ years later, how much will you have?

b$.$ If you wait $10$ years before making the deposit, so that it stays in the account for only $29$ years, how much will you have at the end?

$q,$

You expect to have $$7,000$ in one year. A bank is offering loans at $5\%$ interest per year. How much can you borrow today?