Elena's aunt bought her a $150 savings bond when she was born. when elena is 20 year old, the bond will have earned 105% in interest. how much will the bond be worth when elena is 20 years old

 $307.5          

Step-by-step explanation:

Here, Elena's aunt bought her a $150 savings bond when she was born.

That is, the initial amount = $150

And, When Elena is 20 year old, the bond will have earned 105% in interest.

Therefore, The bond be worth when Elena is 20 years old,

⇒A= $307.5

Therefore, after 20 years the the bond worth $307.5.

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step-by-step explanation: