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callaanne
The first one is £25.50 and the second is £34.
toporc
To increase 30 pounds by 15%, multiply 30 by 1.15:
[tex]30\times1.15=34.50\ pounds.[/tex]
To decrease 40 pounds by 15%, multiply 40 by 0.85:
[tex]40\times0.85=34\ pounds.[/tex]

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