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ELEN [110]
4 years ago
12

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

Mathematics
1 answer:
malfutka [58]4 years ago
7 0
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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<h3>What is rounding up in mathematics?</h3>

Rounding up can be described as the process that is been used in the mathematics which is been used in the estimation of a particular number in a context.

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brainly.com/question/28324571

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