Sammi purchases a new coat that is on sale. The sale price is \( \$ 124.02 \). The original price was \( \$ 159 \). Calculate the discount. Calculate the percentage the discount is off the original price. Submit Question

Suppose you have \( \$ 3000 \) deposited at \( 4.35 \% \) compounded weekly. About how long will it take your balance to increase to \( \$ 4200 \) ? years Round your answer to the nearest tenth of a year

Find the time required for an investment of 3,000 dollars to grow to 12,000 dollars at an interest rate of \( 7 \% \) per year, compounded monthly. Give your answer accurate to 2 decimal places. \( \square \) years.

How much would you need to deposit in an account now in order to have \( \$ 5000 \) in the account in 10 years? Assume the account earns \( 2 \% \) interest compounded monthly.

How much money must you invest now at \( 4.6 \% \) interest compounded continuously in order to have \( \$ 10,000 \) at the end of 6 years?

Juan Martin and Melanie have a new grandson. How much money should they invest now so that he will have \( \$ 74,000 \) for his college education in 18 years? The money is invested at \( 6.35 \% \) compounded annually.