4-1If Samantha invests $700 today in an account that pays 4 percent interest compounded annu- ally, how much will she have in her account four years from today?

42 Fifteen (15) years ago, your parents purchased an investment for $2,500. If the investment earned 6 percent interest each year, how much is it worth today?

43 Fiona plans to invest $500 later today. She wants to know to what amount her investment will grow in 20 years if she earns 12 percent interest com- pounded (a) annually, (b) quarterly, and (c) monthly.

44 Staci invested $950 five years ago. Her invest- ment paid 7.2 percent interest compounded monthly. Stacis twin sister Shelli invested $900 at the same time. But Shellis investment earned 8 percent interest compounded quarterly. How much is each investment worth today?