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1 Pure Mathematics

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Question 1140

Charlie is training to run a marathon. Each week he goes for one long run. In Charlie's first long run he runs 10 km. He then increases the length of his long run by 2 km each week. A marathon is 42 km.

a.

Find the number of weeks it takes until Charlie's long run is a full marathon.

[2]
b.

Find the number of weeks until the total length of all Charlie's long runs first exceeds 200 km.

[4]
Markscheme

1 Pure Mathematics Questions

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