Math, asked by cindyeagle, 1 year ago

Marla has withdrawn $5000 from a line of credit. If she makes no payments, in 3 years she will owe $6435.09. What quarterly compounded interest rate was Marissa being charged?

Answers

Answered by kvnmurty
0
principal amount = $5, 000

sum accumulated in 3 years with interest compounded quarterly - 4*3=12 times compounded.
interest rate  per quarter =  r %

$ 6, 435.09 = $5, 000 ( 1 + r/100)^12

   1 + r/100 =  1.02125 
       r = 2.125 %
annual rate =  $ r = 8.5 %
quarterly rate of interest  2.125 %

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