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Section 6.3 Notes - Mrs. Pearl's Website · Section 6.3 Notes page 261 page 261 In the first month...

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Section 6.3 Notes page 260
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Page 1: Section 6.3 Notes - Mrs. Pearl's Website · Section 6.3 Notes page 261 page 261 In the first month she has a balance of: $635.00 Interest charged= balance * monthly interest rate

Section 6.3 Notes

page 260

Page 2: Section 6.3 Notes - Mrs. Pearl's Website · Section 6.3 Notes page 261 page 261 In the first month she has a balance of: $635.00 Interest charged= balance * monthly interest rate

Section 6.3 Notes

page 261 page 261

In the first month she has a balance of:

$635.00

Interest charged= balance * monthly interest rate= 635 * 0.013= 8.26

Amount Owed = balance + interest= 635 + 8.26 = 643.26

Payment  = ___% of amount owed= 0.15 * 643.26= $96.48  or  $96

Second Month: balance = 643.26 ­ 96

$547.26

Interest charged  = balance * 0.013= 547.26 * 0.013 = 7.11

Amount Owed = balance + interest= 547.26 + 7.11 = 554.37

Payment  = 15% of amount owed= 0.15 * 554.37 = 83.16

Rounded to the nearest dollar: $83

Page 3: Section 6.3 Notes - Mrs. Pearl's Website · Section 6.3 Notes page 261 page 261 In the first month she has a balance of: $635.00 Interest charged= balance * monthly interest rate

Section 6.3 Notes

Third Month: balance = 554.37 ­ 83

$471.37

Interest charged  = balance * 0.013= 471.37 * 0.013 = 6.13

Amount Owed = balance + interest= 471.37 + 6.13 = 477.50

Payment  = 15% of amount owed= 0.15 * 477.50 = 71.63

Rounded to the nearest dollar: $72

How much interest will she pay in the 3 months assuming she makes payments of 15% of the amount owed on the last day of the month?

$21.50

How did I get this?

Remember:

­ APR is not a monthly interest rate

­ round the payment to the nearest $

­ to find the new balance, you need to subtract the payment from the amount owed

Need the formulas again? pg. 262

CHECK YOUR ANSWERS IN BACK OF BOOK!


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