A sum of money was invested for 10 years at 7% per annum and is now worth $2,000. What was the original amount invested (to the nearest $)?
A: $1,026
B: $1,016
C: $3,937
D: $14,048
A: $1,026
B: $1,016
C: $3,937
D: $14,048
举一反三
- 中国大学MOOC: A sum of money was invested for 10 years at 7% per annum and is now worth $2,000. What was the original amount invested (to the nearest $)?
- A retired couple has $500,000 invested in two bond funds that earn 5% and 7%. If the total yearly income from the investments is $30,000, how much is invested at each rate? A. What is the amount invested at 5%? B. What is the amount invested at 7%?
- 14. A retired couple has $500,000 invested in two bond funds that earn 5% and 7%. If the total yearly income from the investments is $30,000, how much is invested at each rate? A. What is the amount invested at 5%? B. What is the amount invested at 7%?
- For several years, a large sum of money was invested in the "Asian tiger" countries unwisely.
- (37秒到1分20秒）Now, part of the reason for this is that we've invested a huge amount in nuclear deterrents. But we've actually invested very little____________. We're not ready for the next epidemic.