1. With an annual interest rate of 6%, an account earned $180 of simple interest in one year. How much money was originally deposited in the account.    2. If an investment of $2,000 accumulate $360 of interest in the account after 4 years, what was the annual simple interest rate on the savings account.    3. If a saving account of $7,000 accumulates $910 of interest in the account after 2 years, what was the annual simple interest rate on the savings account

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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1. With an annual interest rate of 6%, an account earned $180 of simple interest in one year. How much money was originally deposited in the account. 

 

2. If an investment of $2,000 accumulate $360 of interest in the account after 4 years, what was the annual simple interest rate on the savings account. 

 

3. If a saving account of $7,000 accumulates $910 of interest in the account after 2 years, what was the annual simple interest rate on the savings account 

 

4. All got a 6-month loan of $1200 At the end of 6 months, she received a $209 simple interest. What rate of interest did the he pay

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