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20) You put $1000 in an account. The account earns $100 simple interest

in 4 years. What is the annual interest rate?
a) 3.5%
b) 2.5%
c) 7.8%
d) 4.2%
HELP PLEASE

User Xeos
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1 Answer

5 votes
Your answer is d I’m sure
User Papachan
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