Question

PLEASE HELP I AM TIMED!!!!

Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest. (NEED HELP WITH THIS QUESTION!) a. How much does she have in her account at the end of 3 years? b. At what annual simple interest rate did the account grow? Show your work. c. How many more dollars would she have in her account if the interest rate were 1% greater? Show your work. (4 points)

Answer 1

use the k12 rubric there you go

Answer 2

Interest rate
R=i/pt *100
R=960÷(4,000×3)*100
R=8%

How much she has
A=p+i
A=4000+960
A=4960

How many more
4000(1+0.09*3)-4000(1+0.08*3)==120