anthony72
anthony72 anthony72
  • 24-05-2017
  • Mathematics
contestada

Can someone solve this? (25points)

Can someone solve this 25points class=

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Fullmetalpolo
Fullmetalpolo Fullmetalpolo
  • 24-05-2017
It should be 5265.00$
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jcatof
jcatof jcatof
  • 24-05-2017
Interest = Principal * n (years)* rate/100 so based on the first problem of $780 = ($3000 principal *2 years * r) /100, r=13. So in this case the interest rate was 13%. 

We can use the 13% to calculate the second part of the question by using the formula of i=Pnr/100 to get:

i=4500*9*13

So i = $5265
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