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Verified Answer :

  1. (100%-9%)X =54.60
    0.91x=54.60
    Divide both sides by 0.91
    x= 60
    Initial price=£60

    2. (100%+25%)=43
    1.25x=43
    Divide both sides by 1.25
    X=34.4
    Initial price=£34.4

    3. (100%-30%)=19.95
    0.7x=19.95
    Divide both si…
    Initial price= £28.5

    4. (100%+25%)=80
    1.25x=80
    Divide…
    Initial price= £64

    5. (100%+30%)=16.25
    1.3x=16.25
    Divide…
    Initial price=£12.5

    Hope you get it!

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