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OpenStudy (anonymous):
Thurman put $90 into an account that pays 4.4% interest, compounded quarterly. According to the rule of 72, approximately how long will it take for his money to double? A. 204.5 years B. 163.6 years C. 16.4 years D. 20.5 years
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OpenStudy (anonymous):
@perl
OpenStudy (anonymous):
@emmigrace222
OpenStudy (perl):
are you sure theres no typos in the question
OpenStudy (anonymous):
yeah im sure its confusing @perl
OpenStudy (perl):
I think its 16.4 years, because you have 72 / (4.4) ,
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OpenStudy (perl):
72 / (4.4 ) = 16.3636..
OpenStudy (perl):
this is just an approximation to the time to double it
OpenStudy (anonymous):
ok thanks @perl
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