Posted by **Jordan** on Monday, March 9, 2009 at 7:23pm.

Erin Grabish recevied $2,000 for speaking at a financial planning seminar. Erin invested the money in a certificate of deposit for 2 years. When she redeemed the certificate of deposit, she received $2166. What simple interest rate did Erin receive on this certificate of deposit?

- algebra interest word problem -
**Reiny**, Monday, March 9, 2009 at 7:26pm
this problem has the same structure as the one I answered for you 4 minutes ago.

The only difference is that one has to conclude that the amount of interest is $166

let me know what rate you got.

- algebra interest word problem -
**Jordan**, Monday, March 9, 2009 at 7:32pm
i don't know how to work it. didn't work out.

- algebra interest word problem -
**Reiny**, Monday, March 9, 2009 at 7:39pm
Just like before

R = I/PT

= 166/(2000x2)

= 166/4000

= .0415

= 4.15%

- algebra interest word problem -
**Jordan**, Monday, March 9, 2009 at 7:46pm
its $2166 NOT $166

- algebra interest word problem -
**Reiny**, Monday, March 9, 2009 at 7:48pm
She deposited 2000 and got back 2166

how much did she make ?

Isn't that the interest ?

- algebra interest word problem -
**Jordan**, Monday, March 9, 2009 at 8:11pm
i don't know

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