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19 August, 07:50

A door frame is 7 feet high. In order to accommodate a larger door, the frame

must be trimmed to increase its height by 3%. How high is the door frame

after it has been trimmed? Do not include units in your answer.

Answer here

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  1. 19 August, 08:59
    0
    First you need to get 3% of 7 so

    7x0.03 = 0.21

    then you need to add that 3% onto 7

    7+0.21=7.21

    therefore the door frame is now 7.21 feet high
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