APR %
APR Decimal
Interest Word Problems
Interest Word Problems
Interest Word Problems
100

Credit Card APR is 18%.  What is the monthly interest rate as a %?

1.5%

100

Credit card APR is 30%.  What is the monthly interest rate as a decimal?

0.025

100

Credit Card APR is 18%.  The unpaid balance is $800.  Debbie paid $500.  What is the interest amount added this month?

$4.50

100

Your car needed new brakes, so you charged the $2700 cost to your credit card with a 18% APR.  When the bill comes,you pay $1400.  How much interest will you pay on the unpaid balance?

$19.50

100

Sammy's credit card balance is $1060.50.  If he pays $500, how much will he still owe?

$560.50

200

Credit Card APR is 30%.  What is the monthly interest rate as a %?

2.5%

200

Credit card APR is 15%.  What is the monthly interest rate as a decimal?

0.0125

200

Credit card APR is 24%.  The unpaid balance is $2500 and Diana paid $100 this month.  How much intererest is added this month?

$48

200

Remy's credit card has an APR of 15% and a current balance of $4300.  If she pays $2500, how much interest will be added to her balance?

$22.50

200

Credit card APR 24%.  If the unpaid balance is $4000 and $1000 was paid this month, how much interest is added this month?

$60

300

Credit card APR is 15%.  What is the monthly interest rate as a %?

1.25%

300

Credit card APR is 12%.  What is the monthly interest rate as a decimal?

0.01

300

Your credit card's unpaid balance was $540 last month.  If your credit card's APR is 18%, how much interest will you owe on that unpaid balance?

$8.10

300

Your credit card's unpaid balance was $5400 last month.  If your credit card's APR is 24%, how much interest will you owe on that unpaid balance?

$108

300

Credit card APR 30%.  If the unpaid balance is $3500 and $1000 was pai this month, what is the interest added this month?

$62.50

400

Credit card APR is 38%.  What is the monthly interest rate as a %? (round to the tenths place)

3.2%

400

Credit card APR is 15%.  What is the monthly interest rate as a decimal?

0.0125

400

Credit card APR is 18%.  September's unpaid balance is $800.  Mia paid $100 last month and $10.50 interest was added.  If Mia charges an additional $350 to her card in October, how much will she then owe?

$1060.50

400

Credit card APR is 12%.  February's upaid balance is $500.  Lizzy paid $50 last month and $4.50 in interest was added last month.  If Lizzy charges an additional $250 to her card in March, how much will she then owe?

$704.50

400

Credit card APR 30%.  If the unpaid balance is $1218 and $1218 is paid this month.  How much interest is added this month?

0

500

Credit card APR is 8%.  What is the monthly interest rate as a %? (round to the nearest tenths place)

0.7%

500

Credit card APR is 36%.  What is the monthly interest rate as a decimal?

0.03

500

Credit card APR is 15%.  The unpaid balance is $500 and Carol paid $200 this month.  How much interest was added this month?

$3.75

500

Stan owes $780 on his credit card with a 12% APR.  If he pays $200 this month, how much interest will be assessed on his unpaid balance this month?

$5.80

500

Credit card APR is 24%.  November's unpaid balance was $775.  Carrie paid $300 last month and $9.50 was added for interest.  If Carrie charges an additional $450 to her card in December, how much will she then owe?

$934.50

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