Find the annual rate of interest.
Principal = 7800 rupees
Period = 7 years
Total amount = 11349 rupees
Annual rate of interest =

5.503%

Step-by-step explanation:

Assuming that the interest earned is of compounding nature(annual compounding):

#where t=time, A=Total earned, P=Principal.

#We substitute our known values in the equation to get:

Hence the annual rate of interest is 5.503%

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step-by-step explanation:

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step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )