Sylvia wants to go on a cruise around the world in 5 years. If she puts $50 into an account each week that pays 2.25% interest compounded weekly, how much will she
have at the end of the five-year period?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?