Miss murphy is saving money for a trip she deposits $1,600 into an account that offers 3% yearly simple interest rate. she plans to leve money in the account for 5 years 9 months. how much will be mrs. murpheys account balance after 5 years 9 months

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

the answer is 21%.