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Habzii Habzii
  • 19-02-2015
  • Mathematics
Answered

Amy raised £n for charity. Chris raised £18 more than Amy.

The mean amount raised by the two of them is £45. Work out how much money each one of them raised..

It's one of my Maths homework questions , please help me , thank you!

Verified Answer :

Anonymous Anonymous
  • 19-02-2015

\(Amy=n\)
\(Chris=n+18\)

Mean:
\(45= \frac{(n)+(n+18)}{2}\)
So, \(45=n+9\)
Therefore, \(n=36\)

\(Amy=n=36pounds\)
\(Chris=n+18=54pounds\)

Hope I helped :)

(Sorry I was late for you other question)

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