Math 147

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ExcelHW3SAMPLE.xlsx

Sample

Q1 Lauren invests $100,000 at a simple interest of 6%. How much interest will Lauren earn after 5 years? How much total will be in the account after 5 years?
PV $ 100,000
r 6%
n 5
Interest $ 30,000
Total Amount $ 130,000
Q9 You're trying to save to buy a $400,000 house. You plan to make a 20% deposit on the house. You can afford to save $1,000 per month at 12% annual interest starting one month from today. How many years will it be before you can purchase the house, assuming the price of the house remains constant?
PV $ 80,000
PMT $ 1,000
I/Y 1%
n 59.0720724342 months
n 4.92 years