Elena’s aunt bought her a $150 savings bond when she was born. By the time Elena is 20 years old, the bond will have earned 105% in interest. How much will that be?

$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. Hope this helps! :)

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

b

step-by-step explanation: