Elenas aunt bought her a $150 savings bond when she was born. when elena is 20 years old, yhe 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:

We have been given that Elena's aunt bought her a $150 savings bond when she was born.When Elena is 20 years old, the bond will have earned 105% in interest.  

To find bond's value after 20 years we will add 105% of 150 to 150.

Therefore, the bond will be worth $307.5, when Elena will be 20 years old.

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are