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Mathematics 24 Online
OpenStudy (pphalke):

Look, I am really stuck and need help please help me. the answer for #13 is 390.00 and #14 is 4.68 are these right

OpenStudy (pphalke):

OpenStudy (pphalke):

please help me !!

OpenStudy (pphalke):

@jim_thompson5910 @563blackghost

jimthompson5910 (jim_thompson5910):

For #13, I'm getting 390 as well (14*300+5*400+11*500)/(14+5+11) = 390 nice work

jimthompson5910 (jim_thompson5910):

however for #14, I'm getting a slightly different answer I = P*r*t I = 390*0.146*(1/12) I = 4.745 which rounds to 4.75 so the finance charge is $4.75

OpenStudy (pphalke):

how do I do number 15

jimthompson5910 (jim_thompson5910):

Add the finance charge to the last balance figure

OpenStudy (pphalke):

504.75

jimthompson5910 (jim_thompson5910):

yep

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