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24 September, 06:06

You can calculate the intrest on a savings account by using the formula:intrest=principalxratextime if mary deposites $275 in princpal at an intrest rate of 3.2 percent, how much intrest will she earn in one year

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  1. 24 September, 06:12
    0
    Total = principal * (1 + rate) ^time

    Total = 275 * (1.032) ^1

    Total = 283.80

    Interest = 283.80 - 275 = 8.80
  2. 24 September, 06:16
    0
    I=prt

    I=275*0.032*1

    I=8.8
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