Math

An account earns simple interest. Find the annual interest rate.

I= $30

P= $250

t= 3 years

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  1. 250 * 3r = 30
    now solve for r, and express as a %

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    posted by oobleck
  2. P*r*t = I.
    250 * r * 3 = 30.
    750r = 30,
    r = 0.04 = 4%.

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    posted by henry2,

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