Question

This is the media for a wireless network.

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

In case of Simple interest, total amount A is,

A=P(1+

100

rt

)

where

P=Principal

r=interest rate

t=time (in years)=12 (given)

After 12 years, Sum of money doubles itself,

that is A=2P

Now apply the formula,

A=P(1+

100

rt

)

2P=P(1+

100

12r

)

2=1+

100

12r

1=

100

12r

Therefore,

r=

12

100

=8

3

1

percent