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28 October, 11:58

A school replaced 20% of its computers with new ones what is the total number of computers in the school if 55 computers were replaced

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  1. 28 October, 14:57
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    There were 275 computers

    Step-by-step explanation:

    Computers replaced = total computers * percent replaced

    What do we know?

    The percent replaced is 20 =.2

    55 computers were replaced.

    Substitute this in

    55 = total computers *.2

    Divide each side by. 2

    55/.2 = total computers *.2 /.2

    275 = total computers

    There were 275 computers
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