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Mathematics 11 Online
OpenStudy (anonymous):

use the formula for interest: P= 100 r= 7.2% Y= 5 A= ? a. $15,053.66 b.$360 c. $3600 d. $141.57

OpenStudy (anonymous):

I give medals

OpenStudy (cwrw238):

are we talking simple or compound interest?

OpenStudy (cwrw238):

assume its compound then A = 100 (1 + 0.072)^5

OpenStudy (anonymous):

yes it was. so a is the answer?

OpenStudy (cwrw238):

no - work it out on yr calculator 100 * 1.072^5

OpenStudy (tkhunny):

In any case, 72/7.2 = 10ish. Doubles in about 10 years? Over only 5 years, this will not be growing much. The first three answers are not even in the neighborhood of rational suspects.

OpenStudy (anonymous):

so its 141.57?

OpenStudy (cwrw238):

yes

OpenStudy (anonymous):

awesome, thanks for the help

OpenStudy (cwrw238):

yw

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