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ashleighghensto
ashleighghensto ashleighghensto
  • 11-09-2016
  • Mathematics
Answered

increase £30 by 15%

decrease £40 by 15%


help please

Verified Answer :

callaanne
callaanne callaanne
  • 11-09-2016

The first one is £25.50 and the second is £34.

Answer Link
toporc
toporc toporc
  • 11-09-2016

To increase 30 pounds by 15%, multiply 30 by 1.15:
\(30\times1.15=34.50\ pounds.\)
To decrease 40 pounds by 15%, multiply 40 by 0.85:
\(40\times0.85=34\ pounds.\)

Answer Link

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