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Simple Interest = Principal × Rate × Time (in years)

Rate of Interest = [ Interest Amount ÷ (Principal × Time)] x 100

First, convert the rate (in percent) to decimals, by moving the decimal point two places to the left.

The amounts of  interest are:

1)  Php 1,125.00

2)  Php  525.00

3)  Php 810.00

Please click image below to view the solution, and the table of values.

2 5 2
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