Amy raised £n for charity.

Chris raised £18 more then any.

The mean amount raised by the two of them is £45.

Work out how much money each one of them raised.

Question

Stud

8 May, 09:33

+2

Answers (1)

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Raul · Answer 1

Amy = n

Chris = n + 18

Mean = 1/2 (Amy + Chris)

45 = 1/2 (n + n + 18)

45 = 1/2 (2n + 18)

45 = n + 9

36 = n

Amy = 36

Chris = 54

Amy raised £n for charity.Chris raised £18 more then any.The mean amount raised by the two of them is £45.Work out how much money each one of them raised.