Need asap: abbi invested $1,000 in a certificate of deposit with a simple interest rate of 4%. find the interest earned in 8 years. then find the total of principal plus interest.

Therefore, Abby earned $320 in interest.

Abby earned a total amount of $1,320.

Step-by-step explanation:

We have been given that Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 4%.

To find the amount of interest, we will use simple interest formula.

, where,

I = Amount of interest,

P = Principal amount,

r = Annual interest rate in decimal form,

t = Time in years.

Let us convert our given interest rate in decimal form.

Therefore, Abby earned $320 in interest.

To find the total of principal plus interest, we will add $320 to $1000 as:

Therefore, Abby earned a total amount of $1,320.

2.83941151 would be the answer you're looking for! : )

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*