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Mathematics 7 Online
OpenStudy (anonymous):

Yo, can someone help me out? The simple interest formula I=prt gives the interest earned on an investment of p dollars at interest rate r for a time of t years. How much does Tanya need to invest at a rate of 8% in order to earn $800 interest in 5 years?

OpenStudy (anonymous):

800 = p * 0.08 * 5 Solve for p =

OpenStudy (anonymous):

? how do i solve

OpenStudy (anonymous):

Divide both sides by 0.08. Then divide both sides by 5. Let me know what you get.

OpenStudy (anonymous):

Divide what? 800?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

is it 2,000?

OpenStudy (anonymous):

Yes.

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