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Algebra 21 Online
OpenStudy (anonymous):

hello i am currently working on some examples given with the answers in the back, so i was wondering if someone could help me with this problem: bank was paid $19.48 interest at 9.5% for 90 days and now i need to find out the amount borrowed, i set up the formula 19.48 .095*90/360, * the denominator, divided the numerator by .02375 according to the book the answer is $820.21, i cannot get to that number what am i missing? help this very new student to algebra thanks in advance

OpenStudy (anonymous):

what was your final answer??

OpenStudy (anonymous):

15,157.89

OpenStudy (anonymous):

way off lol

OpenStudy (anonymous):

divide the numerator by by result of step 2 which was 0.2375

OpenStudy (anonymous):

when i worked it out, i got 831.60

OpenStudy (anonymous):

not sure whats going on with the answer, all answers in back of book and $820.21 is what they say

OpenStudy (anonymous):

so my formula is way off somewhere

OpenStudy (anonymous):

what formula did you use???

OpenStudy (anonymous):

check whether you have entered the right values.....

OpenStudy (anonymous):

0.95*90/360 0.95/360=.02375/360

OpenStudy (anonymous):

sorry

OpenStudy (anonymous):

sorry for dbl entry

OpenStudy (anonymous):

it is supposed to be 365 not 360 because there are 365 days in a year....

OpenStudy (anonymous):

simple interest so 360

OpenStudy (anonymous):

sorry didnt mention that earlier

OpenStudy (anonymous):

\[SI=\frac{ P \times R \times T }{ 100 }\]

OpenStudy (anonymous):

its the letters which confuse me at the moment understand princ*rate*time over 100 but cannot seem to get the answer have never done algebra

OpenStudy (anonymous):

thanks for your help

OpenStudy (anonymous):

yw :)

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