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Mathematics 7 Online
Aricuzyas:

azmine placed $1500 in a certificate of deposit. She earns $15 each month for the next 5 years. Find the annual simple interest rate for the certificate of deposit. *

Aricuzyas:

Someone help me :(

jhonyy9:

hope you know that 1 year has how many months ?

Aricuzyas:

12

Aricuzyas:

Hello?..

Aricuzyas:

@jhonyy9 So what that got to do with anythig?

justus:

To find the annual simple interest rate Principal x rate x time = interest. examples $100 x .05 x 1 = $5 simple interest for one year. $100 x .05 x 3 = $15 simple interest for three years.

jhonyy9:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 ok and now from these given details you know that she earns $15 each month \(\color{#0cbb34}{\text{End of Quote}}\)

Aricuzyas:

yeah so thats like 60*15 bc its 5 years

jhonyy9:

but you need to finde the anual interest rate not of 5 years

Aricuzyas:

yea

jhonyy9:

so than how ? you know that she get for one month $15 and one year has 12 month so how many will be the annual interest rate ?

Aricuzyas:

900?

jhonyy9:

how you ve got it ?

Aricuzyas:

;-;

Aricuzyas:

i mULtIpLiEd ;-;

jhonyy9:

1 month $15 12 months x cross multiplie and calcule the x value x = 12*15/1 = 12*15 = ?

Aricuzyas:

ok

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