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50 POINTS! HELP ASAP

50 POINTS! HELP ASAP-example-1
User Nan Xiao
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Answer:


800 {(1 + (.09)/(12)) }^(12t) = 1600


{1.0075}^(12t) = 2


t = 7.7 \: years

The money will double in approximately 7.7 years.

User Kyryl Zotov
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