Page 351 - NUMINO_WB_6A
P. 351
107-B5-1
Simple Interest
1. Find the simple interest.
Example
Simple interest is a fixed percent of the principal, which is paid yearly. Simple
interest can be calculated in the following way.
(interest) (principal) (interest rate) (time)
principal: $50
interest rate: 7%
time: 3 years
a. b.
principal: $140 principal: $200
interest rate: 5% interest rate: 6%
time: 2 years time: 5 years
c. d.
principal: $260 principal: $350
interest rate: 3% interest rate: 5%
time: 4 years time: 10 years
e. f.
principal: $530 principal: $750
interest rate: 5.5% interest rate: 7.5%
time: 2 years time: 3 years
Simple Interest
1. Find the simple interest.
Example
Simple interest is a fixed percent of the principal, which is paid yearly. Simple
interest can be calculated in the following way.
(interest) (principal) (interest rate) (time)
principal: $50
interest rate: 7%
time: 3 years
a. b.
principal: $140 principal: $200
interest rate: 5% interest rate: 6%
time: 2 years time: 5 years
c. d.
principal: $260 principal: $350
interest rate: 3% interest rate: 5%
time: 4 years time: 10 years
e. f.
principal: $530 principal: $750
interest rate: 5.5% interest rate: 7.5%
time: 2 years time: 3 years
