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15 May, 11:12

Bridgette deposited $3,300 in a savings account with simple interest. Six months later, she had earned $165 in interest. What was the interest rate?

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  1. 15 May, 12:46
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    The interest rate is 10%.

    Step-by-step explanation:

    Interest = principal * rate * time

    time is always in years. 6 month = 0.5 year

    1.) 165 = 3300 * r * 0.5

    2.) multiply 0.5 and 3300

    165 = 1650r

    3.) divde 1650 to each side

    0.1 = r

    0.1 = 10%
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