You put $400 in an account. the account earns $18 simple interest in 9 months. what is the annual interest rate?

6%

Step-by-step explanation:

Let's start by finding the amount earned per month:

=2

Now let's find the % per month

, or .5%

Now let's multiply by 12 months to get the annual interest rate

or 6%

answer by yourhope:

hi! : )

a farmer that lived in ancient egypt would most likely be barried in the sand, in the desert!

: )

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a